Tax-exempt means donors can claim their donations on their tax returns and possibly reduce the amount they owe the government.

VOA: special.2009.11.02

.. And so we are not talking about anything that... Processing our tax returns, unfortunately And it's a one-time check.

所以我们讲的并不是。,不巧正在处理退税事宜,而且这个是一次性支票。

斯坦福公开课 - 经济学课程节选