course和lesson的区别

Itookacorrespondencecourseincomputing.我选了一门计算机函授课程。'Today we'll start a new lesson,' the teacher sai

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Itookacorrespondencecourseincomputing.

我选了一门计算机函授课程。

'Today we'll start a new lesson,' the teacher said.

“今天我们要开始上新课。”老师说。