Iridescence is proof that not every cloud has a silver lining - "some have tutti-frutti-colored ones."

虹彩的存在证明了不是所有的云朵都有银色的衬边——“有些云彩的衬边是五颜六色的。”

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Here I have water in which I dissolved some silver nitrate.

这儿水里溶解了，硝酸银。

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The effect clouds have on climate has been something of a mystery to atmospheric scientists, with some researchers hoping they would provide a silver lining by acting as a brake on climate change.

对大气科学家来说，云层对气候的影响一直有点像是个谜，一些研究人员希望云层能够成为遏制气候变化的卫士，从而给我们带来一线希望。

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Silver have some fresh upside near-term technical momentum.

FORBES: A.M. Kitco Metals Roundup: Comex Gold Firmer on More Safe-Haven Demand, Better Technical Posture

Silver bulls have some heavy lifting to do in the near term to suggest an uptrend can be re-established.

FORBES: Comex Gold Moves Lower Amid Stronger U.S. Dollar, Lower Crude Oil

Gold and silver bulls still have some more work to do in the near term to shore up their markets from a technical perspective.

FORBES: P.M. Kitco Metals Roundup: Gold Ends Higher on Short Covering, Bargain Hunting; Weaker U.S. Dollar Supportive, Too