汽车工业是一个国家综合实力的体现，没有强大的汽车工业，就没有强大的国家。

The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!

化学是在分子水平上操纵物质的艺术，而催化是其最强大的画笔。