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。

The final test of a novel is whether you care so much for the people that you want to know what happens to them next.

Efficiency and technology are the keys to surviving in a volatile oil market.

我们不只是销售饮料，我们销售人们生活中的清爽时刻。