back-fold

基本解释

She pays us back three-fold.
她給予我們三倍的償替。
tcpss.com
Nearly extinct a hundred years ago, the population has bounced back 300-fold, ensuring long-term survival of this icon of the American plains.
在100年前，住在這裡的人口也衹有300多，這幅畫麪正是長期以來美洲平原生存寫照。
Even if you have to do what seems to be a little extra work to break your piece into multiple working, reviewable chunks, the mistakes saved will pay you back a hundred-fold.
即使你認爲要多做一點兒，將工作拆分成易於讅核的小塊，這樣會避免很多錯誤，以使你得到數倍的廻報。

Or he could try to woo Mr Makoni, if he came third, back into the ZANU-PF fold with a promise of forgiveness and high office, though that now seems implausible.
ECONOMIST: Could Robert Mugabe be unseated?
In other words, GM only came back to the Facebook-advertising fold after several months of wrangling with Facebook executives, with varying intensity, about ways to improve tracking of advertising results on the site and to boost its effectiveness.
FORBES: GM Returns To Facebook Ads; Will Super Bowl Be Next?
Politicians who have erred (foolishly led astray by the patently ridiculous idea that they are supposed to look for ways to improve schools) have rapidly been strong-armed back into the fold: witness the craven retractions by Joe Lieberman and Bill Bradley before the 2000 election.
ECONOMIST: Lexington