解释：大多数花类药材都有升散的作用，而旋覆花却有降气的作用，说明药材特性的多样性。

Don’t be the smartest person in the room. Hangout with， and learn from， people smarter than yourself. Even better， find smart people who will disagree with you.

Good architecture creates possibilities, not limitations.

爱是一种耐心。

幸福不是现成的东西，它来自你自己的行动。