Scott LaGanga,director of PhRMA, a leading pharmaceutical research and manufacturing company, says it's easy and profitable to sell look-alike,low quality drugs.

VOA: standard.2010.06.07

Now, I know it's easy to look at me and say, "God, there's an old leftie, why doesn't he grow up?"

如今,我知道你轻易就可以看着我感叹,"天啊,这个老左派,他怎么还不成熟起来"

耶鲁公开课 - 1871年后的法国课程节选

It's very easy. You look at the lines

这不是什么难事。你可以观察这些曲线，

I can 实战 - SpeakingMax英语口语达人

If this is the outcome of the research, not an easy research to go and look around the world, ? what can we do about it?

如果这是那次研究的结果，而不是马马虎虎的轻松的研究，我们能做些什么呢？

哈佛公开课 - 幸福课课程节选

Well in C and other languages that we'll see this semester, you use what's called the for loop, and this as syntax isn't quite as straightforward but once you know what to look for, it's very easy to understand.

在C语言和一些我们这学期将要接触的编程语言中，你将会用到所谓的for循环，也许作为一种语法规则，它看起来不是那么的通俗易懂,但是你一旦知道曲中奥妙，就不难理解了。

哈佛公开课 - 计算机科学课程节选