说明：  钱能老师的C++程序设计教程第二版，看后总觉得第二版没有第一版在组织结构及条理上那么清晰，感觉有点乱，不过Edition2讲的内容比较多，并且都采用C++新标准写的
(Money to teachers C++ Programming Tutorial Second Edition to see the second edition did not always feel that after the first edition of the organizational structure and logical clarity it might otherwise, feeling a bit chaotic, but Edition2 more about the content, and have adopted the new standard C++ write)