The committee will need to winnow out the nonsense and produce more practical proposals if it is to achieve results.

若想取得实效，委员会将需要摈除那些没有实际意义的观点，提出更切合实际的建议。

《柯林斯英汉双解大词典》

Gongjing to winnow rice Bay take a few road cars?

贡井到簸米湾坐几路车？

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We have to winnow out and punish these foolish ideas.

我们要簸出，惩治那些愚蠢的想法。

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The new X prize is designed to winnow the genetic wheat from the chaff.

ECONOMIST: A new prize for the genomics of the elderly is now on offer

To winnow the options, decide what you can afford and what level of coverage you are willing to pay for.

FORBES: How To Find The Best Deal On Health Insurance

The hearing comes as the use of unmanned aerial combat vehicles to winnow the ranks of America's enemies is attracting unprecedented domestic attention.

BBC: Drones at the forefront of the Brennan hearing