One red and gold carpet from the seventeenth century has complex patterns and animal designs.

VOA: special.2009.11.04

The code is unusually conspicuous, complex, and enigmatic; it attracts an inordinate amount of attention to itself, and this attention has to acquire the rigor of a method.

这种代码通常很显著，复杂，神秘;,它把大量的注意力都吸引到自己身上，这种注意力得有一种方法的严肃性。

耶鲁公开课 - 文学理论导论课程节选

The Government has a very complex set of dietary recommendations, forty-one of them altogether in the most recent version of this.

政府有一个非常复杂的推荐食谱,最新修订版包括了整整四十一份推荐食谱

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It has complex and hidden implications for which a strategy needs to be defined in advance of implementation.

FORBES: Written by Ojas Rege

But the rise of single-parent families in itself has complex social causes, and it will not be reversed by politicians.

ECONOMIST: The poor are still there, and need helping

We understand criminal behaviour often has complex and tragic antecedents.

BBC: NEWS | UK | Politics | Full text: Blair on law and order