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。 b : lengthy-founded exercise considered as unwritten regulation c : recurring follow Custom will make all points quick. establishment - a custom that for years has long been a vital feature of some group or Culture; "the establishment of marriage"; "the... https://robertd061ras1.blogoxo.com/profile