经济学人下载:国际转账的代价 穷人挨税

例句:Hundreds of thousands of people packed into the mosque.
几十万人挤进了那座清真寺。

2.illegal channel 非法渠道

例句:Some domestic enterprises produce and sell chemicals without authorization, making chemicals convert into illegal channels.
国内个别企业擅自违规生产、经销，致使化学品流入非法渠道。

3.drive up 抬高；迫使...上升

例句:It could help prevent some accidents, it could also drive up the cost of a car.
它可能会防止一些事故，它也可能会提高汽车的成本。

4.depends on 取决于

例句:The development of the food industry depends on that of agriculture.
食品工业的发展有赖于农业的发展。