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。 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。 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。 establishment - a custom that for many years has been a very important element of some group or Culture; "the establishment of relationship"; "the establishment of slavery"; "he had turn... https://virgilx936csa5.blogdanica.com/profile