Unless we have great talent and are willing to work very hard, we are certain to fail in these occupations.

除非我们有才华横溢，并且愿意努力工作，否则我们肯定会在这些工作中失败。

youdao

The fact is that no matter how nicely we dress, or how beautifully we decorate our home, we can't be truly elegant unless we have good manners because elegance and good manners go always hand in hand.

事实上，不管我们穿得多么漂亮，或者我们把家里装饰得多么精致，如果我们不礼貌，我们都不可能真正做到优雅，因为优雅和礼貌总是相辅相成的。

youdao

We never sell medicine unless we have a proper prescription. Never.

没有处方我们绝对不能卖药，绝对不行。

youdao

"I do not believe we ought to add troops in Afghanistan unless it is indispensable in our war against al-Qaida, "If it is, then we have to do whatever it takes because al-Qaida is out to annihilate us.

VOA: standard.2009.11.23

And unless we have something want to say.

除非我们还有什么事要说。

麻省理工公开课 - 电影哲学课程节选

the whole section of the essay in which he's talking about classicism and which he later calls "tradition" is meant to suggest that we really can't merge horizons effectively unless we have a very broad and extensive common ground with what we're reading.

他花了一整个部分来讨论古典主义,他后来称其为，“传统“，是想要暗示,我们不可能有效地合并视界,除非我们对于我们的所读,有着极广的认识。

耶鲁公开课 - 文学理论导论课程节选

Dollars tend to slip through our hands unless we have a system for plugging those holes.

FORBES: You Need A Budget. Yes, You.

The Bush tax cuts were temporary and should fully expire unless we have a surplus.

FORBES: Do Americans Care About Our Children's Future?

But now, we've been advised not to leave the house unless we have to.

BBC: New Zealand earthquake aftermath: Your stories