Energy security is the cornerstone of national security. We must make every effort to ensure the security of national energy supply.

自由市场最重要的一个核心事实是，除非双方都受益，否则交易不会发生。

The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.

我是自己心灵的囚徒，但艺术让我自由。

【释义】兄弟姐妹之间如果缺乏信任，那么彼此的感情就不会亲密。

我总是对每一个机会心怀感激。