[ C or U ] a means of behaving or carrying out some thing that has existed for a very long time and is also regarded as the standard way: 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 : very long-established follow considered as unwritten law c : repeated practice Custom tends to make https://lloydx791ztn7.wiki-promo.com/user