我强烈建议大家建立一些学习小组，正式的或非正式的都可以。

And one thing I would strongly suggest is to form some sort of study groups, either formally or informally.

youdao

我强烈建议大家建立一些学习小组，正式的或非正式的都可以。

And one thing I would strongly suggest is to form some sort of study groups, either formally or informally.

youdao