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。

2. Iron Curtain 铁幕; 指将苏联和东欧共产党国家与西欧分开的边界

3. capitalize on 利用

The rebels seem to be trying to capitalize on the public's discontent with the government.

反叛者们似乎正试图利用公众对政府的不满情绪。