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use when people sleep, their brain and other organs also can rest. Enough rest can provide enough energy. Secondly, keep always thinking. Do not get used to the current situation. Keeping thinking when meets things can exercise brain. Thirdly, eat some healthy food that is good for memory, such as, radish, cabbage and spinach. I think these are helpful to improve memory?! 。簊idewalk 人行道 zebracrossing 斑馬線 With more and more cars ing into our families, we are happy 3 that it has greatly improved our lif