Investors who fear that high diamond prices may not be forever will soon have help at hand.

担心高钻石价格难以持续的投资者，也许很快就有帮手了。

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Unlike a diamond itself, this quantum memory isn't forever. But it lasts for a very long time by quantum standards.

量子记忆并非像钻石一样长久，但是它会以量子的规格存在很长的一段时间。

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Unlike a diamond itself, this quantum memory isn't forever.

钻石恒久远，量子存储却不是永恒的。

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Their price has remained stable. "The main difference I have seen is people are moving from 22 carat gold jewelry to diamond jewelry, maybe what they say is true is diamonds are forever, and diamonds always is a lady's best friend,".

VOA: standard.2009.10.17

" Then in 1948 an inspired wordsmith came up with "a diamond is forever.

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In the U.S., De Beers's slogan, "A Diamond is Forever, " glorifies eternal romance.

WSJ: What Chinese Consumers Want