It moves goods, deposits fertile soil, and has played a strategic role in history.

它搬运货物， 沉积沃土，在历史上发挥过战略作用。

He's convinced it will help to boost U.S. jobs and exports while cementing America's strategic role as a major player in the Pacific.

他坚信该协定将有助于促进美国的就业和出口，同时也将巩固美国作为主要参与者在太平洋地区的战略作用。