Die 2-Minuten-Regel für Techno
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. In one and the same Liedtext they use "at a lesson" and "rein class" and my students are quite confused about it.edit: this seems to be the consensus over at the S