But the military says it is in no hurry to enter the area from where the rebels are expected to make their last stand.

VOA: standard.2009.04.06

We know the early example in sort of Golden Age America, but where else did we see a competitive fringe enter when there was a collusive agreement to keep quantities down?

我们知道美国全盛时期有这样的先例,还有什么行业原来也有产量协议,但新公司进入后却导致协议瓦解呢

耶鲁公开课 - 博弈论课程节选

And the challenge is to combine "the permission to be human" to experience the emotion to go through the motion and yet not to enter the downward spiral where six months later, after small incident, I'm still in that rot.

困难在于将之与准许为人相结合“,去体会情绪，实现转移,但不会进入下行螺旋，在发生小小意外六个月后，仍心情低落。

哈佛公开课 - 幸福课课程节选