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。 Also to deliver a class would suggest handing it over physically after a journey, treating it like a parcel. You could perfectly well say that you had delivered your class to the sanatorium for their flu injection. 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。 And many thanks to Matching Mole https://claytoncozpc.thelateblog.com/34270742/das-5-sekunden-trick-für-chill