Tickets for the final are like gold dust.

决赛票很难弄到。

《牛津词典》

They trucked knives for gold dust.

他们以小刀换金沙。

youdao

The 'gold' pits isn't likely to be ferried back to Earth, though - scientists remain unsure of the chemical composition of the yelllow, shimmering dust that lines the pit walls every 'summer'.

可是那些在凹点的金线不太可能被带回地球，所以科学家还不能确定这在每个“夏天”都在凹点排成线而且发光的黄色灰尘的化学成分。

youdao

He makes enough money from the sale of gold dust to take care of his wife and three children.

VOA: standard.2010.04.22

Bobo Simbo stands thigh-high in a pool of orange water, sifting the mud for traces of gold dust.

VOA: standard.2010.04.22

Dominic Ponsford, editor of the Press Gazette, said editors like Mr Stokoe were "like gold dust".

BBC: Campaign to save job of Whitby Gazette editor

They were getting deeper into the Christmas spirit, dancing, wearing bizarre outfits, throwing tinselly gold dust over each other.

CNN: From Our Correspondent: Merry Christmas, Uncle Ho

From excrement to gold dust, he weighs up the various manifestations of what man thought was small before he had the microscope.

ECONOMIST: Small things often hold big secrets