Buchanan believes, It's human nature to want more meat and dairy, and that will be very difficult to change.

VOA: standard.2010.06.04

Indeed, in addition to finding him very difficult you've probably said, "Why does he have to write like that?" In other words, "Yeah, okay. He's difficult, but isn't he making it more difficult than it needs to be?"

事实上，除了发现他难懂以外，你可能会说，“为什么他要这样写？“，换句话说，“是的，他的思想很难懂，但是他这样写不是让他的思想更难懂了吗？“

耶鲁公开课 - 文学理论导论课程节选

Let's say in Germany or France, where it's more difficult for foreigners, I guess,

比如说德国或者法国，对于外国人来说呆在那些地方可能会更困难些，

来自世界各地的朋友 - SpeakingMax英语口语达人

But while it's easy to become an open-source distributor, it's more difficult to become expert enough with the stuff to make a living supporting it.

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"It's more difficult now than it ever has been to overtake, " said Coulthard.

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"It's more difficult to get through, due to the quality of the first team, " he added.

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