衡量一家公司的成功应该包括其环境遗产。
The measure of a company’s success should include its environmental legacy.
The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.
你能做的最好的投资就是投资自己。
The world is a place of the living, and the dead have no place in it. The dead are nothing. They are not even a memory.