I did that for about 10 months of period, and that resulted it being a better or the best Chinese search technology.

这样做了有10个月之久，结果就是,百度拥有了更好或者是最好的中文搜索技术。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

One of the studies that I did for my first book, Pioneering Portfolio Management, looked at the behavior of endowments and foundations around the crash in October 1987.

我为第一本书《机构投资的创新之路》,所做的其中一个研究,是关于1987年10月那次股灾前后,各种捐赠和基金的表现

耶鲁公开课 - 金融市场课程节选

If you talk about going in for surgery, t have the exact figure in front of me, but something like a fourth of the people in Canada wait six month or more for surgery.

谈到手术，呃，我这里没有确切数据，ehm，，I，don’,但大约,四分之一的加拿大人,要等六个多月之久,才能手术。

斯坦福公开课 - 经济学课程节选