这并不是意味着说两种语言的人不会患上老年痴呆症，而是说这种病在他们的大脑形成过程中，他们的大脑依然能够在较高的水平上继续发挥作用。

This didn't mean that the bilinguals didn't have Alzheimer's. It meant that as the disease took root in their brains, they were able to continue functioning at a higher level.

youdao

然而，在这两种学习过程中，都要付出额外的努力去学习不带口音地说新语言。

But, in both endeavors, it takes extra effort to learn to speak the new language without an accent.

youdao

有很多有趣的证据表明如果每种语言由不同的人来对孩子说，那么他们可以轻松同时掌握这两种语言。

There is much anecdotal evidence to show that children can easily learn two languages simultaneously if each language is spoken to them by a different person or persons.

youdao

It would either say something like -I'm not going to do the words that they would have come up with, but they would have said, yeah that's a good place to go or don't do that, that's a terrible mistake.

这答案不外乎两种,我不会说他们的那种语言,但是他们的意思大概是,那是个好去处,或者别做那事儿,那是个糟糕的错误

耶鲁公开课 - 古希腊历史简介课程节选

What is the most wonderful benefit of being able to speak two different languages?

能说两种不同语言的最大好处是什么？

必须掌握两门语言 - SpeakingMax英语口语达人