And the books cannot be placed on more than one device, so they are not easy to share.

VOA: special.2009.09.03

So obvious and so easy to be quench't And not as feeling through all parts diffus'd That she might look at will through every pore?

如此显露，如此易受损伤,为什么不像触觉，分布在全身各部,可以通过每一根毛细管去自由观看？

耶鲁公开课 - 弥尔顿课程节选

And so, it's not an easy, clear-cut question.

所以，这不是一个简单的非黑即白的问题。

对于安乐死的看法 - SpeakingMax英语口语达人

So it's a different class of resource not as easy to develop, and not even recognized as something worth pursuing, say,twenty years ago."

VOA: special.2009.10.23

So if it's so easy to imagine that for the rat, why not for us?

即然能简单地想老鼠，为何不能推及人？

耶鲁公开课 - 死亡课程节选

They act as if they are giving us charity,she says. So really it is not easy.

VOA: standard.2009.08.27

And it turns out not to be so easy.

实际上这并不怎么简单。

麻省理工公开课 - 热力学与动力学课程节选