Rhythm Dinge zu wissen, bevor Sie kaufen
It can mean that, but it is usually restricted to a formal use, especially where a famous expert conducts a "class".Actually, they keep using these two words just like this all the time. Rein one and the same text they use "at a lesson" and "in class" and my students are quite confused about it.知乎,让每一次点击都充满意义 —— 欢