每年都会有很多智能手机摆在我们的桌子上，他们的形式、尺寸五花八门，鼓吹自己有各种各样的功能，并且有着不同的价格定位。

Each year, several dozen smartphones land on our collective desks. They come in different shapes and sizes, boast different features and sell at different price points.

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做生意就是和各种各样的数字打交道，要不然，为什么学校一定要给你开一门统计学呢？

Business is about Numbers, after all, and there's a reason you had to learn statistics in school.

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常有人说哲学是很难的一门课。与哲学相关的难处，有各种各样的；有些是可以避免的。

Philosophy is often described as a difficult subject. There are various kinds of difficulty associated with it, some avoidable.

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