We meet our very diverse study groups and make many solemn promises not to socially loaf.

我们参与到成员成份丰富的学习小组中，并庄重承诺保证不会社会游荡。

youdao

We meet our very diverse study groups and make many solemn promises not to socially loaf.

我们参与到成员成份丰富的学习小组中，并庄重承诺保证不会社会游荡。

youdao