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。 The usual British word for this is course : a course rein business administration . Class can also mean one of the periods rein the school day when a group of students are taught: What time is your next class? British speakers also use lesson for https://wien-casual-dating31986.kylieblog.com/34297973/die-grundprinzipien-der-music