complex complex complex components complex composition complex compounds complex comprises complex computations complex concepts complex concept complex conditions complex configurations complex configuration complex conflict complex conjugate complex connections complex consisting complex consists complex construction complex contains complex content complex context complex contours complex contracts complex control complex coordination complex country complex covers complex creates complex creatures complex crisis complex criteria complex cross-border complex culture complex data sets complex data complex debate complex decision-making complex decisions complex demands complex derivatives complex designs complex design complex details complex development complex devices complex difficulties complex digital complex dimensions complex discussions complex diseases complex disease complex dishes complex disorder complex disputes complex documents complex domain complex dossier complex drawings complex drug complex due complex dynamic systems complex dynamics complex economic complex economy complex ecosystems complex ecosystem complex effect on the body complex effect complex electronics complex elements complex emergencies complex emotions complex encryption complex energy complex engineering complex enterprise complex entity complex environmental issues complex environments complex environment complex equation complex equipment complex events complex evolution complex example complex exercise complex experience complex expressions complex facilities complex factors complex family complex features complex feelings complex fertilizer complex field complex files complex filtering complex financial instruments complex financial products complex financial complex financing complex finish complex flavor complex fluids complex food complex formation complex forms complex formula complex form complex fractures complex framework complex fraud complex functions complex game complex geometric complex geometries complex geometry complex global challenges complex global problems complex global complex graphics complex group complex harmonies complex has complex hierarchy complex history complex human complex hybrid complex ideas complex images complex impedance complex implementation complex implications complex includes complex individual complex industry complex information complex infrastructure complex ingredients complex injuries complex installations complex institutions complex instruments complex integrated complex integration complex interactions complex interaction complex interface complex internal complex international environment complex international complex interplay complex interrelationships complex intersection complex investigations complex investment complex is composed complex is designed complex is located complex is situated complex issues involved to complex issues complex issues complex issue complex jobs complex journey complex landscape complex language complex laws complex layers complex layouts complex legal framework complex legal issues complex legal problems complex legal complex legislation complex levels complex lies complex life complex lighting complex lines complex links complex litigation complex living complex located complex logic complex logistics complex machinery complex machines complex machine complex magazine complex management complex maneuvers complex manipulations complex manner complex manufacturing complex man complex market complex materials complex mathematical calculations complex mathematical problems