世界是心灵的镜子。

文学是语言的艺术，而语言是情感和思想的载体。

The games industry is global, and you have to think globally if you want to succeed.

I don't think President Bush is doing anything at all about Aids. In fact, I'm not sure he even knows how to spell Aids.

量子密码学不是关于保守秘密，而是知道何时有人试图窃取它们。