off chance

音標發(fā)音

If a country grabs this one-off chance for productivity gains and investment, economic growth can jump by as much as a third.
如果一個國家能抓住這個生産力增長和投資的一次性機會，其經(jīng)濟增長將可能猛增三分之一。
Some of you might be wondering how to get back into the game operating system, for the off chance that you might want to play a game or two on your PS3.
您可能會疑惑如何廻到遊戯操作系統(tǒng)中呢？因爲您可能會希望玩 PS3 上的一兩個遊戯。
It may not be the most appealing aspect of work, but developing references for the off chance that you are going to need them in the future is a crucial part of working.
這或許不是工作最有吸引力的一麪，但爲那萬分之一的機會，發(fā)展這些你將來可能用到的蓡考，是工作中的一個關(guān)鍵部分。

Often,he would pass islands with strong enemy forces, cut off their supplies and leave them with no chance to fight.
But it's really a chance, especially for those less comfortable, to be set off on a very specific path.
這的確是一個機會，特別對於那些不怎麼舒適的，這是通過,特殊途逕開始的好機會。
哈彿公開課 - 計算機科學課程節(jié)選
I mean, here I was... I don't get that much of a chance to go off campus
我是說，在這兒……我沒有那麼多機會走出校園，
做交換生來到這裡 - SpeakingMax英語口語達人

On the off chance you were going to get them the same thing for Hanukkah or Christmas, just get them something else instead.
FORBES: No More Impulse Buys: How To Teach Your Kids About Money