① complex強調由許多部分組成,常指結構或機構的復雜。
the complex mechanism of a watch 手表的復雜結構
the complex modern world 復雜的現代世界
a complex system of government 復雜的行政體系
complex situation 復雜的形勢
② complicated強調錯綜復雜,指復雜得難以理解、解釋或解決。
a complicated problem in maths 復雜的數學問題
complicated deals 復雜的商業交易