/oʊˈeɪ.sɪs/ a place inside a desert wherever There's drinking water and therefore plants and trees and from time to time a village or city知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。an economic idea or plan through which a govt doesn't have a lot of legislation or procedures to manage the