主要的义务规则是那些要求或禁止某些行为的规则。
Collaboration across the supply chain turns challenges into opportunities for growth.
"El tiempo que uno pasa riendo es tiempo que pasa con los dioses."
1923年对广州国民党员的演说
我不是来讨人喜欢的，我是来做我的工作的。
Don’t let the noise of others’ opinions drown out your own inner voice.
The artist must be a philosopher and think deeply about the world. Music is not enough； it is a reflection of the world’s beauty and sorrow.