But it's not an easy task. Silicon Valley is very unique.

但这并不容易，硅谷是独一无二的。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

I do think that he's trying to make good changes, but it's not going to be easy.

我认为他的确在努力要做一些改变，但这并不容易。

两党制度的优缺点 - SpeakingMax英语口语达人

Some place in the middle is where the truth is, and it's hard to find.

事实往往在两种极端的中间,想找到它并不容易

耶鲁公开课 - 古希腊历史简介课程节选

It was not easy to bring them together but when they had a common goal that brought them-- that caused the interconnection and then the contact led to moral feeling.

要让他们互相接触并不容易,但当他们有了共同目标-,他们就会互相联系,从而接触就产生了道德情感。

耶鲁公开课 - 心理学导论课程节选

It's very difficult to be happy if we are experiencing severe depression or anxiety.

要快乐并不容易,如果我们感觉很压抑或焦虑。

哈佛公开课 - 幸福课课程节选

It's not easy to devise this and the concept is very simple.

设计保单并不那么容易,仅仅一条概念太单薄了。

耶鲁公开课 - 金融市场课程节选

For one thing, the brain is highly resistant to damage.

一方面,大脑并不容易受到损伤

耶鲁公开课 - 心理学导论课程节选