我是我在这世上唯一应当透彻了解的人，但我怎么看都觉得不可能。

The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have been replaced by a general consensus on the desirability of liberal democracy.

热机的动力与实现它的工质无关；其量仅由最终实现热量转移的物体之间的温度决定。