Until they stop, both of them stop doing that, there is not going to be any peace in Afghnastan.

如果他们两方不停止，阿富汗就不会有和平。

普林斯顿公开课 - 国际座谈会课程节选

They are just encouraging each other and I stop doing before work in morning, the paper pencil kind of activity because I saw them going right to the computer, and I say,hey, they're learning more from than when they are just from the revision.

他们在相互鼓励,我现在不用在早上，做那些纸和铅笔的活动了,因为我看到他们径直走到电脑那，我想，他们能从那学到的,比从复习中学到的要多。

麻省理工公开课 - 媒体、教育、市场课程节选

There are therefore value subtracting activities, not things that make us richer, and we should therefore stop doing them.

FORBES: Pollution Costs More Than What is Produced to Make the Pollution

If you have a friend that is adding you to groups you do not want to belong to, or they are behaving in a way that bothers you, you can tell them to stop doing it, block them or remove them as a friend and they will no longer EVER have the ability to add you to any group.

FORBES: Mark Zuckerberg Quits NAMBLA, And Facebook Downplays Privacy Criticisms Over Groups

But they have to understand that if Mr Ashdown never attacked them, his party would soon stop him doing business with them altogether.

ECONOMIST: Terms of engagement