不一定有效，但的确能用在许多问题文档上。

This isn't necessarily foolproof, but it does work on a lot of problematic documents.

youdao

多样化不一定有效。

Diversity may not be efficient.

youdao

所以，我们说，本来一些合情合理的常规做法，到了装修行业，可能就不一定有效了。

Therefore, we say that's a number of reasonable standard practice, to the renovation industry, may not necessarily effective.

youdao

And to the extent that they help make markets efficient, I do think they help the world. I do sort of agree.

而且一定程度上，他们使市场更有效，我的确认为他们帮助了这个世界，我的确是同意的。

耶鲁公开课 - 金融市场课程节选

In general, less volatile stocks have done better over time than more volatile stocks, which is somewhat inconsistent with the notion of efficient markets.

一般来说，波动小的股票在长期内比波动大的股票,表现要好，一定程度上,这和金融市场有效论的观点是相悖的。

耶鲁公开课 - 金融市场课程节选

the notion that markets are efficient which is the same sort of theory about all markets.

市场是有效的观点，The，efficient—,这一理论其实一定程度上适用于所有的市场。

耶鲁公开课 - 金融市场课程节选