问：大卫先生，你认为你可以怎样帮助抗击结核病？

Q: Mr David, how do you think you can help fight TB?

youdao

但是如果大卫先生不做这，我能保护我的钱。

David do not do this, I can protect my money.

youdao

原来你是大卫先生的公子，怪不得长得那么象他。

It turns out that you are Mr. David's son. No wonder you are the very image of him.

youdao

Before I begin, I just wanted to say that I was very-- I found last period's lecture with David Swensen very interesting.

开始讲课之前,我想谈一下,大卫·斯文森先生上节课的内容非常有意思

耶鲁公开课 - 金融市场课程节选