The true value of a forest isn't measured in board feet, but in biodiversity and carbon sequestration.

Hatred destroys only the hater.

政治语言旨在使谎言听起来真实，使谋杀显得可敬，给纯粹的空气以坚实的外表。

石墨烯是一种灰姑娘材料：它一直存在，但没有人注意到它。