The paper's authors tried to take into account other factors, but they admit it may not have been entirely possible to quantify differences in, for example,the recipient's health, which can be a big factor in the success of a transplant.

VOA: standard.2010.07.14

The same problem is with organ transplantation is that the recipient has to be matched to the donor and so that's a problem.

和器官移植中的问题一样,受体需要与供体匹配,这就是问题所在

耶鲁公开课 - 生物医学工程探索课程节选

That's a big problem and so can you protect these cells that you give to the recipient from attack by the recipient's immune system?

并且至关重要,那么你们想办法保护这些植入受体的细胞,使它们免受免疫系统的排异反应么

耶鲁公开课 - 生物医学工程探索课程节选

And a medal was placed around the neck of Muhammed Yunus, the 2006 Nobel Peace Prize recipient, who pioneered a way to lift people out of poverty through a community banking program that gives small loans to entrepreneurs with no collateral.

VOA: standard.2009.08.12

We don't know the intended recipient of this letter, and we actually have no idea whether Milton actually sent the letter; but a couple of drafts of this letter actually exist in Milton's own hand, and the letter is clearly a document that Milton had devoted some energy and some time to. We need to look at it.

我们不知道收件人是谁，我们也不清楚弥尔顿到底有没有寄这封信;,但这份信的草稿确实在弥尔顿那里，弥尔顿显然对这封信投入了不少,时间和精力，我们来看看。

耶鲁公开课 - 弥尔顿课程节选