Ví dụ về việc sử dụng It has been difficult trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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Yes, it has been difficult.
I wanted to make animation the way I wanted to do, and it has been difficult.
In the past, it has been difficult to apprehend international cyber criminals.
Because so much of thehoard has not been recovered, it has been difficult to estimate the true value.
It has been difficult for you and well-nigh impossible to concentrate on planning.
Because there are many different kinds of hepatitis C, it has been difficult to develop a vaccine that can effectively prevent them all.
It has been difficult not to get hopes up when crypto markets surge by over 20% in a couple of weeks.
Scientists have long known of the presence of large quantities ofwater hidden below the moon's icy crust- but it has been difficult to reach.
For almost a decade, it has been difficult to lose money in the U.S. stock market.
But more carbon dioxide also means higher temperatures, more evaporation, more precipitation and more cloud cover,so it has been difficult to observe the impact.
For a number of years it has been difficult for me to return, with a lot of physical problems.
As Dr. Gill explains,"Previous studies have suggested a link between iron levels andheart disease, but it has been difficult to pick this apart from other confounding factors.".
Until now, it has been difficult to assess the impacts of these manipulations on crop yield.
In a system that works on consensus- not just among the party but committees,ministries and provinces- it has been difficult to get leaders to make tough decisions.
Until now, however, it has been difficult to fuse graphene transistors with other materials, such as silicon.
The company sells motorcycle parts produced inother countries in the ASEAN region to the aftermarket, but it has been difficult to grasp what kind of sales channels each distributor has. .
This means it has been difficult to study the effects of light-intensity physical activity on long-term health.
But because there is no directrecord of atmospheric oxygen during this time period it has been difficult to determine what factors might have kick started this crucial point in evolution.
It has been difficult to get into the team, and when we get the good results that we currently do, it will only be even harder.
Another official told Reuters anonymously that this gold repatriation attempt byMaduro has been a two-month ordeal and that it has been difficult to get insurance for such a large gold shipment.
I have lots of work to do but it has been difficult because I always say you have to try and hide your fragilities.
It has been difficult to get into the team, and when we're getting good results like we are right now, it only makes it even harder.
Graphene is considered to be themost sturdy material in the two-dimensional form, but it has been difficult for researchers to convert the strong strength of its two-dimensional form into useful three-dimensional materials.
Until now, it has been difficult to secure accurate data about the condition and integrity of every material and product inside the supply chain.
This season he has been injured a lot,so it has been difficult for him to kick on, but everyone knows the talent he possesses, he is a great player.
It has been difficult to determine the date of the first human presence in Côte d'Ivoire because the humid climate does not preserve human remains well.
Over recent years, it has been difficult for me, at least, to pin down, with any real confidence anchor text influence from internal pages on an aged domain.
It has been difficult to assess the specific effect of p-synephrine on the body in such usage because other ingredients and components as well as forms of caffeine are typically included in thermogenic or fat-burning and energy-enhancing products.
Historically, it has been difficult to measure the effectiveness of marketing campaigns because target markets cannot be adequately defined.
On why it has been difficult for action to be taken against digital chart manipulation, the music critic reiterated that it is hard to get clear evidence because only those who have engaged in it know the specifics.