[ C or U ] a means of behaving or performing something that has existed for years and it is considered as the usual 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。 plural a : duties, tolls, or imposts imposed from the law of a country on imports or exports b commonly singular in https://nigelt234bul4.blogdanica.com/profile