To light a candle is to cast a shadow.

Vanity and pride are different things, though the words are often used synonymously.

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。

盈利和可持续性必须齐头并进，否则两者都无法持久。