科技创新需要长期积累，不能急功近利，农业科研更是如此。

长城汽车要走向世界，必须坚持自主创新。

The most beautiful as well as the most ugly inclinations of man are not part of a fixed biologically given nature, but result from the social process which creates man.

在表演中，真相不是你说了什么，而是你如何说。