To be aware of the idea of social structure and to use it with sensibility is to be capable of tracing such linkages among a great variety of milieux.

星星是宇宙的路标。

最好的性能改进是从非工作状态到工作状态的转变。

I'm a person who likes to be in the front.

满足于少，总比贪得无厌更幸福。