The anarchic nature of the international system means that states must rely on self-help to ensure their survival.

我相信梦想和潜意识的力量。

阈限性是两个阶段之间的过渡状态，个体既不属于这里也不属于那里，处于两者之间。

The idea that a bell rings to signal when investors should get into or out of the stock market is simply not credible.

围绕试管婴儿的伦理问题很复杂，但拥有孩子的愿望是一项基本人权。

建筑之美在于其必然性。

Profit and purpose can coexist when companies align their values with real-world impact.