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。 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。 Actually, they keep using these two words just like this all the time. Rein one and the same Liedtext they use "at a lesson" and "in class" and my students are quite confused about it. That's how it is on their official website. Am https://jaidenvmdsj.ageeksblog.com/32677763/music-can-be-spaß-für-jedermann