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债券市场是最终的真相讲述者。
每一个作用力总是有一个相等的反作用力与之对抗。
一个好老师必须能够设身处地为那些觉得学习困难的人着想。
I was a truck driver in LA, going to City College, and I tried to sign up for a class in ceramics, but it was full. So I signed up for architecture. It was an accident.