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"Kids are the toughest audience, but also the most rewarding."
问题的解决是突然出现的,而不是通过逐步、一步一步的过程来接近的。
Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.
The beginning is the most important part of the work.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.