多休息，因为休息有双重好处：休息能让你的大脑有机会进行一些初步的巩固，也能提高学习的记忆力。
Take plenty of breaks, because they offer a double bonus: the time off gives your mind a chance to do some preliminary consolidation and it also gives a memory boost to the learning.
结果是一个范例双重边缘化——当一连锁无党派独占者收费多，但获得总体收入少于单一的垄断。
The result was a textbook example of double marginalisation-when a chain of independent monopolists charges more, but receives less overall than a single monopoly.
半个多世纪以来，有关双重标准的指控一直是西方在中东的敌人。
For more than half-a-century the charge of double standards has been the west's enemy in the Middle East.
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