组织一次“快闪”活动，基本上只需要用电子邮件通知一群人在某个地点出现一会儿，然后消失。

Organizing a "flash mob" basically involves e-mailing a bunch of people with instructions to show up at a certain place for a few moments, then disappear.

youdao

温馨提示：课表如有临时变动，会通过QQ群，博客等方式发布，也会通过电话或者短信方式通知学员。

Tips: the temporary change of the coursed will be announced through the QQ group, blog, etc. Also we will notified the students by phone or SMS.

youdao

温馨提示：课表如有临时变动，会通过QQ群，博客等方式发布，也会通过电话或者短信方式通知学员。

Tips : The temporary change of the courses will be announced through the QQ group, blog, etc. Also we will notified the students by phone or SMS.

youdao