用最优基的思想在理论上解释疯狂单词构成的合理性以及在如何选取疯狂单词上进行指导。

And then, by using the definition of the optimal base, the feasibility of the structure of the crazy words is explained.

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名字由group和coupon两个单词构成，其商业模式已被无数出售廉价商品和服务的地方小企业克隆。

Groupon, whose name is a combination of group and coupon, inspired numerous clones of its business model—selling discounted products and services from local merchants.

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但是正如在上面有单词构成之前，语法毫无用途一样，对正确和错误的感觉毫无用途，除非当有人告诉你如何来应用它。

But just as syntax is nothing until words are built upon it, so too is a sense of right and wrong useless until someone teaches you how to apply it.

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