高分子物质的性质不仅取决于其构建单元的性质，还取决于这些单元在空间中的排列方式。

The beauty of life lies in its unpredictability.

Safety isn't just a policy - it's a culture that must permeate every level of our organization.

Fear is inevitable, I have to accept that, but I cannot allow it to paralyze me.

The study of law involves both the analysis of legal rules and the understanding of their social context.

I have never been able to write a happy play. I can't. I can write a funny play, but not a happy play.

领导力意味着今天做出艰难的决定，为更美好的明天铺平道路。