That is because the victims are vulnerable to exploitation, laws against this practice are not vigorously enforced and it is a hugely profitable trade.

VOA: standard.2009.08.21

So clearly, that's not, thank you, that's not a profitable deviation and it's also not a profitable deviation for people on the left.

所以很明显,那不是,谢谢,那不是个有利的偏离并且,对左边的人来说也不是个有利的偏离

耶鲁公开课 - 博弈论课程节选

So clearly, that's not, thank you, that's not a profitable deviation and it's also not a profitable deviation for people on the left.

所以很明显,那不是,谢谢,那不是个有利的偏离并且,对左边的人来说也不是个有利的偏离

耶鲁公开课 - 博弈论课程节选