许多人喜欢去不同的国家旅行，但是如果你打算出国，你应该知道在世界各地面对不同的情况时要怎么做。
Many people love travelling to different countries, but if you plan to go abroad, you should know how to behave in different situations around the world.
当你遇到一个单词，却不知道它的意思时，你应该怎么做？
What should you do when you come to a word and you think you don't know what it means?
我并不是说营养补充剂和节食是无益的，但你应该知道怎么做才是对的，只有这样你才不至于为了瘦身而终日饥肠辘辘，否则你将会面临非常严重的健康问题。
I am not saying that supplements and dieting are bad but you have to learn how to do it right so that you are not starving throughout the day.This can result in serious health problems.
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