We'll see later on, there are classes of computation that are inherently much more complex. We hate them, because they're costly, but they're sometimes inherently that way.

我们会稍后详细的讲讲这个,有许多内在更加复杂的种类的算法,我们痛恨它们，因为它们很耗时。

麻省理工公开课 - 计算机科学及编程导论课程节选

It recognizes that the risks that a bank faces are very complex and that they are not summarized by just the classes of borrowers that were defined in Basel I.

它指出一个银行所面对的风险是非常复杂的,第一次巴塞尔协议定义的借款人风险等级,无法概括全部的风险

耶鲁公开课 - 金融市场课程节选

Now of course, nutrition is the kind of subject that one could spend the whole semester on, could spend--do multiple classes on, because it's a very interesting, fascinating, and complex topic.

当然,要学习营养学这门课程,可能需要整个学期的时间,耗费很多课时,因为这个话题十分有趣,且吸引人,而又一言难尽

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