建筑行业应积极应对气候变化，推动绿色发展。

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."

Mathematics is the key and door to the sciences.

这世界不会被那些作恶多端的人毁灭，而是冷眼旁观、选择保持缄默的人。