[ C or U ] a method of behaving or performing something that has existed for years and it is 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 : long-established observe regarded as unwritten legislation c : recurring practice Custom can make all things simple. 触发切换条件→原始频段去认证→原始频段去关联→目标频段重关联→目标频段认证→完成... https://shintarof801xrj4.anchor-blog.com/profile