The first component is that when you move away from the constraints of a physical classroom and design content explicitly for an online format, you can break away from, for example, the monolithic one-hour lecture.
第一个就是当你 摆脱了在教室里的束缚 和为在线课程明确地设计内容的时候 你可以不再使用,比如说 单调的一小时讲座的模式