This is the idea of the doughnut hole.

这就是“甜甜圈洞”的概念。

youdao

So starting next year, if you fall in the doughnut hole, you'll get a 50-percent discount on the brand-name medicine you need.

因此，从明年开始，如果你陷入甜甜圈漏洞，你将在你所需要的品牌药品上获得50%的折扣。

youdao

And in the coming years, this law will close the doughnut hole completely once and for all.

在未来几年，该法律将一劳永逸的完全堵上这个甜甜圈漏洞。

youdao

A doughnut is a round piece of fried dough with a hole in the middle or filled with cream or jelly.

VOA: special.2010.04.12

Also,this year the law will start closing what is known as "the doughnut hole."

VOA: special.2010.03.24

So essentially what we said is, how do we provide some immediate assistance to seniors who are falling into the doughnut hole, and then how do we ratchet down the cost to seniors each year so that by the time we get to 2020, the doughnut hole is completely eliminated?

WHITEHOUSE: Tele-Town Hall: The Affordable Care Act & Seniors

It has already bequeathed millions of dollars in savings to seniors by closing the doughnut hole.

WHITEHOUSE: Press Briefing

Will patients be confused by the morass of competing plans and the infamous doughnut hole?

FORBES: Magazine Article