斯特里克林说：“我早就听说过空军方面对飞行员的弹射次数有一个限制，因为难度确实很大。”其实用不着他们说我也知道。

"I've heard that the Air Force will let you eject only a certain number of times because of how hard it is on you," says Stricklin.

youdao

你已经听说过引力定律，那确实很棒，但是大多数的人总是忘记在生活中还有行动力定律。

You've heard of the law of attraction, which is excellent, but what most people often forget is that there's also a law of action.

youdao

是这样。支票的邮寄和储存都是很花钱的。新技术确实能减少这方面的开支。你听说过支票安全储存了吗？

Exactly. Storage and mailing of cheques are expensive. The new technology really promises to cut costs there. Have you heard about cheque safekeeping?

youdao

Somebody-- i got wind of the fact we might have a classical Indian musician in our class, somebody that had studied the sitar and might be able to come in and play one for us.

有个人,我确实听说过我们会有这机会,请来一位印度古典音乐家,这个人学过锡塔尔琴,而且可能会在课上,给我们弹一曲

耶鲁公开课 - 聆听音乐课程节选