几个星期前，我请这个博客的读者给我寄来一些关于自我指导学习数学的故事。

Several weeks ago I invited readers of this blog to send me stories about the self-directed learning of math.

youdao

几个星期前，我请这个博客的读者给我寄来一些关于自我指导学习数学的故事。

Several weeks ago I invited readers of this blog to send me stories about the self-directed learning of math.

youdao