这就是她如何得知每年有800万吨塑料最终流入海洋的方式。

That's how she learned that 8 million tons of plastics end up in the oceans every year.

youdao

我们是如何得知那片海洋存在的呢？

How do we know the ocean exists?

youdao

但是如果我不真的尝试一下如何得知？

But how do I know that? Let me try the real thing.

youdao

Moreover, beyond that, how does one know, in taking out an insurance policy, that the insurance company is going to be sound?

除此之外，在人们购买保险时，该如何得知保险公司，会严格按照保单言而守信呢？

耶鲁公开课 - 金融市场课程节选

There will always he suggests appear to be something ad hoc about the methods used in the study of politics.

主题允许多少精准性？我们如何得知,事情总有，他也提到,总有一些事是特别的。

耶鲁公开课 - 政治哲学导论课程节选

Let's talk about how we know about the link of diet and health.

那我们是如何得知饮食与健康的关系的呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选