能源的未来在于多样化和适应性。

市场不能替代自治。

我只是尽量保持冷静，不让压力影响我。

States are rational actors that seek to maximize their relative power in order to ensure their survival in a competitive international system.

电影是使不可见变为可见的艺术。

你最害怕写的东西，恰恰是你应该写的。