Bad weather has interfered with efforts to send out boats to clean up the oil and watch for the effects on wildlife in the Gulf of Mexico.

VOA: special.2010.05.04

And if the other guy does tidy up, hey the room's clean, Who cares? So either way, you're not going to tidy up and you end up with a typical Yale dorm room.

要是别人打扫完了,屋子干净了,我赚了,最后谁都不去打扫寝室,寝室当然就脏了

耶鲁公开课 - 博弈论课程节选