地理带的研究揭示了自然界的统一性，尽管它表面上看起来多样。

Parental investment is the key to understanding sex differences in mating strategies.

金融市场的健康发展需要各方共同维护。

The great ideological battles between liberalism and communism, or between democracy and authoritarianism, have ended in the victory of the former.

我不是女权主义者，我是人文主义者。