世界急切需要一个有效的世贸组织。

The world desperately needs an effective WTO.

《柯林斯英汉双解大词典》

如果你的现实模型与真实的世界大相径庭，那么你每天都很难采取有效的行动。

If your model of reality is wildly different from the actual world, then you struggle to take effective actions each day.

youdao

阅读国际文学作品是了解世界上其他人的有效方式。

Reading international literature is an effective way of understanding other people in the world.

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

if hedge funds could make markets completely efficient, it would benefit the world a lot--is one.

如果对冲基金能够使市场能够完全有效，它会给世界带来很多益处-这是一点。

耶鲁公开课 - 金融市场课程节选