By used books. They have the same words as the new ones. Also libraries.

The pleasure isn't in owning the person. The pleasure is this. Having another contender in the room with you.

The most important thing in communication is hearing what isn't said.

人们对自己的遗传学了解得越多，就越能掌控自己的健康。

可持续性不是一个流行词，而是长期成功的商业必要条件。

解释：药物之间有阴阳、子母、兄弟等配对关系，说明药物配伍的原理。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

Our workforce is our most valuable asset; investing in their skills is investing in our future.

"The most important thing is to enjoy your sport and have fun."

每首歌都有自己的生命。