"It is a useful instrument for the villagers.

VOA: standard.2010.05.25

Here is a program that's a little useful in that it's just a little cheat sheet for me.

这里有个小程序，其中里面有个,备忘单对我是有点用的。

哈佛公开课 - 计算机科学课程节选

And so it’s not quite as useful as Facebook which is great for social reasons.

对于拓展社交圈的话，它不会比Facebook更实用。

便利的社交媒体 - SpeakingMax英语口语达人

Right now, what my code is doing is, it's printing them up for me, which is useful.

它的所有的除数，现在，我的代码要做的就是。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because at the end of the day, if game theory is going to be useful for you in your later lives, whether it's in dating or in running a company or whatever it happens to be, you need to able to go from the story to the model.

因为到最后,如果你们在以后想要运用博弈论,不论是用在约会上还是在运作一家公司上,或者其他的什么情况,你需要从具体情况中提炼模型

耶鲁公开课 - 博弈论课程节选

It's probably among the most useful ideas there is for solving complicated problems.

这大概是解决复杂问题,最有用的思想之一。

麻省理工公开课 - 计算机科学及编程导论课程节选