论文部分内容阅读
据台湾《贸易快讯》报道,控制世界80%钻石贸易的国际中央销售机构的数字显示,1991年世界钻石贸易额下降了6%,至39.3亿美元。新加坡贸易发展局的数字显示,新加坡钻
According to Taiwan’s “Trade Alert”, figures from international central sales agencies that control 80% of the world’s diamond trade show that in 1991 the world’s diamond trade volume fell by 6% to 3.93 billion U.S. dollars. Singapore Trade Development Council figures show Singapore drilling