And it's hard to imagine a simpler program than this. So we very quickly realize that exhaustive testing is just never feasible for an interesting program.

更简单的程序了,因此我们很快的意识到,对一个程序来说详尽的,测试是永远不可行的。

麻省理工公开课 - 计算机科学及编程导论课程节选

We didn't have a feasible business model, let's put it this way, because when we started, the business model is to provide the backend search technology to the portal companies in China.

或者说没有一个，可行的商业模式，因为公司成立初期的商业模式，是给门户网站公司,提供后台搜索技术。

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

Going forward I like to talk with you about health reforms Talk about two aspects of reform one what do you think are the most important reforms that we as a nation need Secondly what is politically and socially feasible doable, achievable?

接着说,我想跟你聊聊医疗改革,谈谈改革的两个方面,一方面，您认为,我们国家,最需要进行改革的是什么,其次，从政治方面,和社会方面而言,什么是可行的,可做的，可是实现的？

普林斯顿公开课 - 国际座谈会课程节选