If you are absent, you should call your teacher or someone who is in your class and ask for the assignment.
如果缺席，你应当打电话给老师或班上其他同学，询问作业情况。
How to call to the copy constructor from the copy-assignment operator?
如何从复制赋值运算符调用复制构造函数？
How to call to the copy constructor from the copy-assignment operator?
如何从复制赋值运算符调用复制构造函数？
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