求翻译：1968年3月的半个月中，美国黄金储备流出了14亿多美元，3月14日一天，伦敦黄金市场的成交量达到了350-400吨的破记录数字。美国没有了维持黄金官价的能力，经与黄金总库成员协商后，宣布不再按每盎司35美元官价向市场供应黄金，市场金价自由浮动。是什么意思？

Two weeks in March 1968, the outflow of U.S. gold reserves of over 1.4 billion U.S. dollars, March 14, the London gold market turnover reached a record-breaking figures of 350-400 tons. The United States does not have the ability to maintain the official gold price, after consultation with members o

March 1968 of the second half, the United States gold reserves out of more than $1.4 billion on 14 March, one day, the London Gold market of the trading volume reached 350 - 400 tons of a record number. The United States has not been a total value of the gold with gold, the library, it was announced

March, 1968 half month, the US gold reserve flowed out more than 1,400,000,000 US dollars, on March 14 one day, the London gold market turnover has achieved 350-400 ton broken recording numeral.US has not maintained the gold official price ability, after consults after the gold pool member, announce

Half a month of March 1968, United States gold reserve outflow more than 1.4 billion US dollars, on March 14, London bullion market's turnover reached 350-400 metric tons of record numbers. United States has no capacity to maintain Gold parity, after consultation with the members of the gold pool, d

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