He says if those with the least pollution start doing the most, rich nations will not have an excuse for inaction.

VOA: standard.2009.11.09

So, what will start with on Monday is doing the most simple example of methane using these Lewis structure rules.

因此，下周一上课,我们会先以最简单的例子--甲烷开始,使用这些路易斯结构的规则。

麻省理工公开课 - 化学原理课程节选

Let's go into the third version of this and then start doing something with these constructs.

让我们进入这个程序的第三版,开始用这些概念来写点东西。

哈佛公开课 - 计算机科学课程节选

OK. Having said that, let's look at doing some sorts. And I'm going to start with a couple of dumb sorting mechanisms. Actually, that's the wrong way saying it, they're simply brain-damaged, they're not dumb, OK?

我们来做些排序吧,我要开始处理一些愚蠢的排序机制,事实上，我说的不正确，他们就是没脑子，不是笨,发明出来后，他们就在不停的被挑战？

麻省理工公开课 - 计算机科学及编程导论课程节选