The project has the government's stamp of approval.

工程已获得政府批准。

《牛津词典》

But in the long run, too much specialization doesn't pay off. Business, which has been flooded with MBAs, no longer considers the degree an automatic stamp of approval.

但从长远来看，过多的专业化并不会带来回报。商业界已经有了大量的工商管理学硕士（MBA），他们不再将学位视为一种能自动认可的标志。

youdao

There was a roar of approval.

响起了一片表示赞成的喊叫声。

《柯林斯英汉双解大词典》

Tall,beautiful and fair, his appearance was met with a sound of approval and tension.

VOA: special.2009.04.18

And you can't read it but there's a kind of stamp of approval here from the governor Nelson Rockefeller.

你没法领会这个，但是这里有,作为州长的尼尔森，洛克菲勒对此的承认。

耶鲁公开课 - 现代诗歌课程节选

This is a sign of divine approval.

这是好运来临的信号。

耶鲁公开课 - 旧约导论课程节选

John Garamendi, the California insurance commissioner, puts a stamp of approval on life insurers.

FORBES: The Privatized Policeman

And let patients decide, when they buy pills, whose seal of approval they want.

FORBES: The Privatized Policeman

In all, 300 plants with the federal stamp of approval are actually inspected by state-run programs.

FORBES: Magazine Article