Ritter was a very complex man but Marius was the opposite, a simple farmer.

里特是个非常复杂的人，而马里厄斯则恰恰相反，是个单纯的农民。

《柯林斯英汉双解大词典》

One technique that should be on any enterprise architect's list to conquer may sound simple, but it's actually pretty complex: understand the organization.

有一项技术是任何企业架构师都应该攻克的，该技术听起来非常简单，但实际上相当复杂：了解组织。

youdao

The rules are simple but the play is extraordinarily complex.

规则很简单但是玩起来却是相当复杂。

youdao

That sounds simple. But the issue is a complex mix of technical,business, political and legal questions.

VOA: special.2009.09.25

The answer is I can't. OK, in the simple case of integers I can, but in the case of something more complex like faces or fingerprints or passwords for that matter, it's hard to design a hash function that has completely even distribution, meaning that it takes any input into exactly one output spot.

答案是我不能，好吧,在简单的整数的例子中,我可以做到，但是在一些更复杂的场景中,比如面部，指纹，密码相关的问题中，很难设计一个哈希函数具备完全平均的分配,也就是说，做到对任一输入，可以准确地得到相应的唯一输出,因此在一个哈希问题中。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you click on that link, you will see a roadmap for success that is both intuitive and unexpected, simple in approach but complex in its interconnectedness.

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And even the casual beach volleyball players and sometime indoor coaches admit they might have mastered the simple hitting and scoring system, but the complex signals players use, with their hands placed behind their bottoms, remain a tantalising mystery.

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These are complex topics, but some simple exposition is sufficient for seeing the main point.

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