忍不住吐槽一下，推荐答案是机器翻译。1. The main source of nutrition is food, so whether the food is healthy or not becomes the key factor of . Supplying the necessary nutrition to the body
这个没翻译的 ___It is necessary to keep a balanced diet if you want to keep 'd better eat enough vegatables which contain rich vitamin,proper meat is needed, fried or toasted foo
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