Experts say a good rule to remember is not to post anything you would not want your mother to see.

VOA: special.2009.09.14

OK, good luck on your tests, and remember the review session if you care.

好的，祝你的测验好运，并记住复习如果你在乎的话。

麻省理工公开课 - 固态化学导论课程节选