ATM, for one, remains a potent force.

首先，atm仍是一个强大力量。

A device that was a yuppie toy not so long ago has now become a potent force for economic development in the world's poorest countries.

在不远的过去还是雅皮士们玩具的手机，现在已经成为世界上最贫穷的国家经济发展的潜在动力之一。