我坚持我所信仰的。

Innovation in mining technology isn't an option—it's an obligation we owe to both our workers and the environment.

数学的研究是所有智力和精神发展的不可或缺的基础。

"The most important single aspect of software development is to be clear about what you are trying to build."

领导力就是在最重要的时候做出艰难的决定。