I don't describe them as classes because they'Response not formal, organized sessions which form parte of a course, rein the way that the ones I had at university were. 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。 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。 There may also be... https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u