他们不可能打倒我。若要打倒我除非就是杀掉我！

Parental investment is the key to understanding sex differences in mating strategies.

在每个国家，最重要的是人民的教育。

When you can't go back, you have to worry only about the best way of moving forward.

真正的音乐来自于内心，而不是技巧。