知识问答
最佳答案：Once,I was emotionally,tried.Although finally failed.Once,I in business,and fina
最佳答案：A family is a social units which based on marriage and descent relationship,incl
最佳答案：What is history?History is the summation of the human past experience.all the hu
最佳答案：What you've said is moving. Please say no more because I am going to cry for tha
最佳答案：Maybe god wants you to meet some wrong people before you meet the right one.so w
最佳答案：principle of equal effects;In a uniform constant of inertial system under the in
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