There are some words close to it such as economy swells up belt, the city economy belt, city turn etc.

与之意义相近的名词还有“经济隆起带”、“城市经济带”、“经济圈”等。

youdao

Every few steps he stopped to pull his trousers back up because he didn't have a belt.

他每走几步就停下来提提裤子，因为他没有皮带。

youdao

Just belt up, will you!

你安静点行不行！

《牛津词典》

I reached down and pulled him up on the horse by his belt.

VOA: special.2010.07.10

Well after that, the bond price went up because people saw that as a sign that the company was tightening its belt and doing things right to have money to pay off the bondholders; so it was self-interested, I suppose--maybe you can ask him about this.

在这之后,债券的价格升高了,因为人们认为降低红利是一个信号,说明公司开始紧缩开支走向正轨,并且去偿付债券持有人,莱德利夫通过这种做法达到利己的目的,我想你们可以就此事向莱德利夫提问

耶鲁公开课 - 金融市场课程节选

Sometimes you need a belt to hold up your pants.

VOA: special.2010.05.02

Midfielder Gardner showed no fear as he stepped up to belt home Birmingham's second and all-important equaliser.

BBC: Birmingham 2-2 Manchester City

When the crash of 2008 happened, and Wells Fargo yanked our only small credit line for no reason and with no notice, we pulled together as a team, tightened up the belt, and grew.

FORBES: The Case for Startups Not Taking Venture Capital Too Early

Belt Up Theatre's production of The Red Room, a world of music, dance and physical feats, won over the judges.

BBC: red room