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。 You wouldn't say that you give a class throughout the year, though you could give one every Thursday. Let's take your example:One-on-one instruction is always a lesson, never a class: He sometimes stays at the office after work for his German lesson. After the lesson he https://rylanbhmqv.ttblogs.com/13418475/das-5-sekunden-trick-für-dance