[ C or U ] a technique for behaving or accomplishing a thing that has existed for a long time and is regarded as the standard way: company patronage Market site visitors trade merchandising free of charge trade affairs dealings retailing wholesaling horse-trading 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。 forgive and fail to remember https://ralphu727aiq2.wikitron.com/user