默课是什么意思?

来源: elfie 于 2021-08-22 16:58:20 [] [旧帖] [给我悄悄话] 阅读数 : (214 bytes)
本帖于 2021-08-22 17:08:14 时间, 由普通用户 elfie 编辑
回答: 是默课吗? 不担心毁孩子眼睛? 由 Rockeymountain 于 2021-08-22 16:10:23

Yes it's online. But who doesn't use computer and cellphone now? For protecting eyes?

It's not free open soursce like in some colleges. There's a tuition, about $20/hr.

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