A stimulus bill is both difficult and easy to sell.

一项刺激计划的通过说难也难，说简单也简单。

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In Gaseous state, Numerical Value of Ionization energy measure difficult and easy of metal atom lose electron.

在气相中，金属原子失去电子的难易用电离势数值大小来衡量。

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In the life difficult and easy, I choose between easier, not because I cowardice, but I really cannot afford to lose.

在生活中困难和容易之间，我选择容易，不是因为我懦弱，而是我真的输不起。 ----------杨帅。

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This is actually a piece of code that is really easy to think about recursively and is much more difficult to think about in other ways.

这确实是一段用递归思考起来非常容易,而其它方法特别麻烦的代码,这一段代码的意思就是。

麻省理工公开课 - 计算机科学及编程导论课程节选

And I do that very precisely because it'll teach you a little bit about how easy or difficult it is to do it and what kind of information you retrieve from a dietary assessment.

我这样要求是因为,这能教给你,做评估的难易程度,以及你们能从饮食评估中得到何种信息

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Software is easy to copy and difficult to patent, but relationships, culture and customer loyalty are difficult to take away.

FORBES: Don't Waste Innovation on Products

These constraints make some evolutionary transitions easy and others more difficult.

ECONOMIST: A master of evolution takes a last long look at Darwin

Right here on the flight line in crash landings, the helicopters landing in what are called brown-out conditions, meaning the dust on the desert floor rises up and engulfs the helicopter and it is very difficult for the pilot to see the ground in those conditions and very easy to mess up the landing.

CNN: Ryan Chilcote: First deep attack