模仿文本： So where does the world get its gold? Well, the best people to answer that question are at the World Gold Council, the main trade body of the big gold mining companies, and it's based right here in London. I spoke to the head of the council's investment department Marcus Grubb.Gold is a very interesting metal, 'cause a very large amount of supply comes from recycling.

 

译文：那么全世界的金子从何而来？能准确回答这个问题的人就在世界黄金协会里，该组织是各大金矿公司的主要交易机构，就设立在伦敦。和我交谈的是该协会投资部的经理马尔库斯·格拉布。黄金是一个很有趣的金属，因为其大部分的供给来源于回收利用。