同根派生 silver standard相关词英汉例句用作名詞 (n.)Gold, silver, and other commodity standards survived for many centuries but were then phased out in favor of the more convenient use of national paper currencies.金本位，銀本位和其他商品本位存在了許多世紀，而後逐步被淘汰，以利於更方便地採用各國紙幣。silver standard更多例句