You can't make a good deal with a bad person.
离散数学和连续数学之间的相互作用是一些最有趣的问题所在。
We have a responsibility to provide reliable and affordable energy while addressing climate change.
Our industry is going through a period of significant change, and we must adapt to stay competitive.
在数学中,你并不理解事物。你只是习惯了它们。