"Overall, rates have gone down for just about every commoditygroup," said Tom White of the Association of American Railroads.
“总体而言，针对几乎每个商品团体的运费均有所下降，”美国铁路协会的汤姆·怀特说。
2
The group became a sales juggernaut in the commodity options business.
这个集团已经成为一个商品期权交易的销售巨头。
《柯林斯英汉双解大词典》
3
A supply chain is a group of partners who collectively convert a basic commodity (upstream) into a finished product (downstream) that is valued by end-customers, and who manage returns at each stage.