这就是“甜甜圈洞”的概念。

This is the idea of the doughnut hole.

youdao

今年，该法律还将关闭所谓的“甜甜圈洞”。

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

youdao

今年，该法律还将关闭所谓的“甜甜圈洞”。

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

youdao