His simple but proven formula of fresh food and great service is a true formula for business success.

他那简单却久经市场考验的新鲜食品加一流的服务公式是企业成功的真正秘诀。

youdao

This is a good reason to doubt the sun, but can it be proven?

这是怀疑太阳的一条很好的理由，但是它能被证明么？

youdao

But it has proven a smart move so far.

但迄今为止，事实证明这是明智之举。

youdao

But the Mayo Clinic warns that cinnamon cannot replace proven medicines for diabetes.

VOA: special.2009.05.19

They're invariably cited as among the most beautiful and exquisite lines in Paradise Lost but on some level they've proven the bane of scholars because they can't be squared with any of the poem's theological message.

它们被单调地引证为,中最美最细致的诗句,但在某些层面他们证明了学者的祸害,因为它们并不能与诗歌所传达的神学信息相一致。

耶鲁公开课 - 弥尔顿课程节选

They're not proven, but they're not wrong.

但它们不是错的。

麻省理工公开课 - 热力学与动力学课程节选

It swapped a simple, sloppy, but proven technology (air bags) for a complex, precise, and unproven one.

NEWYORKER: The Martian Chroniclers

Easy fixes, such as new-age therapies, may appeal to them more than harder but proven ways to improve health.

ECONOMIST: Health consumerism

Over the past 20 years, global oil consumption has increased by 30%, but proven reserves have increased at twice that rate.

FORBES: We Live In An Age Of Energy Abundance