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ratio between gold and silver

英 [ˈreɪʃiəʊ bɪˈtwiːn ɡəʊld ənd ˈsɪlvə(r)] 美 [ˈreɪʃioʊ bɪˈtwiːn ɡoʊld ənd ˈsɪlvər]

网络  金银比价

经济

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