No computer can imitate the complex functions of the human brain.

　　任何計算機都無法模擬人腦的復雜功能。

　　The architect had produced a scale model of the proposed shopping complex.

　　建筑師為提議建設的購物中心做了一個比例模型。

　　We next had to navigate a complex network of committees.

　　我們下一步必須設法使各級委員會予以通過。

　　He was studying the complex similarities and differences between humans and animals.

　　他在研究人和動物之間錯綜復雜的相似與不同之處。

　　These complex formulae are beyond the grasp of the average pupil.

　　這些復雜的公式是一般小學生不能理解的。