The answer is simple. The United States is the only country in the world today which has the economic power and productivity to furnish the needed assistance.

VOA: special.2011.08.04

And I'm going to do it only using multiplication and addition and some simple tests. All right?

我只能用乘法和加法,以及一些小测试来解决这个问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

It looks like we're dwelling on only the most simple.

我们只阐述一些极为简单的例子。

哈佛公开课 - 计算机科学课程节选

So she was able to teach herself only a few simple songs.

VOA: special.2009.01.18

We have only so-called simple meters rather than compound meters.

我们只讨论那些所谓的单拍子,不讨论复拍子

耶鲁公开课 - 聆听音乐课程节选

It requires only a simple majority of fifty-one votes.

VOA: special.2010.02.27