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。syn: custom, behavior, exercise signify an established strategy for performing issues. custom, applied to a community or to someone, implies a more