Solving the Expression Problem makes it possible to extend preexisting types to new methods and extend preexisting methods to new types, all without recompiling existing code.

解决表达式问题使将先前存在的类型扩展到新方法成为可能，所有这些都不重新编译现有代码。

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Carmakers, after all, see no problem with marketing new cars on the basis that they produce fewer greenhouse-gas emissions without compromising on performance.

毕竟，汽车制造商只要能够研制出温室气体排放量低却不影响表现的轿车就不会在推广新车的时候遇到问题。

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Truly, we awoke to find that Facebook had summoned a judge, jury, and executioner and carried out its swift brand of McJustice all without bothering to let us know that there was even a problem.

诚然，我们意识到Facebook在没有告知我们有问题存在的情况下就已动用法官、陪审团和执法人员，并实施了其McJustice的SWIFT品牌。

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so that meant that for me personally, I could just move to England without any problem at all.

这就意味着，对我个人而言，我可以搬去英国，没有任何问题。

从澳大利亚到英国 - SpeakingMax英语口语达人

But then again, here I am armchair quarterbacking a PR problem without the luxury of all the facts at my fingertips.

FORBES: Crisis Quarterbacks

But, to witness gamers all over the world, many without any training in science, solve a complex problem that has plagued Ph.

FORBES: How Cloud Computing Can Boost Developing Nations

Another problem is the case of all-included hotels that lock-up the tourist without letting him to get to know the environs.

UNESCO: SMALL ISLANDS VOICE