你正在一个虚拟教室。
不像教室是虚拟的,技术可是真实的。
注册后,你就可以在床上进入虚拟的教室上课了。
By signing up, you can step into the virtual classroom without stepping out of bed.
注册后,你就可以在床上进入虚拟的教室上课了。
By signing up, you can step into the virtual classroom without stepping out of bed.
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