环境对不同观察者会显得不同，这取决于他们准备看到什么。
The ultimate goal of computer science is to create systems that are both powerful and reliable.
创作过程从来都不一样。
Innovation in mining technology isn't about replacing people, but about empowering them to do their jobs better and safer.
The conjectures of the Langlands program are a challenge to the next generation of mathematicians.