(JOSH BIRNBAUM) "Our desk began to accumulate short positions, purchasing protection on individual securities through credit default swaps, largely from external C.D.O.managers who asked us to bid for these positions."

VOA: special.2010.04.30

But I don't know if it was something I'd like to take credit for it.

但我不知道是否能把问题归咎到这个上面。

留在记忆中的学生 - SpeakingMax英语口语达人

He tried to intimidate us too much with his promise of impossible grading so that everyone took the class credit/D/fail, when we all probably ended up with As or Bs.

他经常试着吓唬我们,通过他承诺的不可能的分数等级,所以每个人都虔诚的来上课/D/不及格，当我们几乎都已As或Bs结束时。

耶鲁公开课 - 死亡课程节选

I recommend it, but only credit/D/fail.

我推荐这门课，但必须坚持出勤/D/不及格。

耶鲁公开课 - 死亡课程节选