有了这个法则，头脑会十分清楚当下的痛苦是有限的，因此没有理由不集中注意，不遗余力，发挥全效。

With this rule, my mind knows that I will be doing the hard work foronly a limited amount of time, so there is no reason not to focus andgive my best.

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但是惩罚性的收费凑效的前提是，驾驶者有体面的公共交通系统可以选择，而通常这种选择是没有的。

But punitive charges will work only if the displaced drivers can switch to a decent public transport system. Often they cannot.

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是中国的一款传统玉饰品，从外型看它圆滑变通，符合中国传统文化中的“中庸之道”，古代称之为“璧”，有养身护体之效。

China is a tradition of jade jewelry, from the sleek exterior to see it work, in line with the traditional Chinese culture of "moderation", the ancient called "bi", effective cultivation of body care.

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