I may have lost my heart, but not my self-control.

黑洞防火墙的概念挑战了我们对量子力学和广义相对论的理解。

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

Sustainability isn't a trend, it's a necessity.

孔子说：“君子和睦相处而不同流合污，小人同流合污而不能和睦相处。”