The world's highest national capital, at 11,800 feet above sea level, La Paz is Bolivia's center for commerce, finance, and industry.

拉巴斯，世界上海拔最高的首都城市，海拔达11，800英尺，也是该国商业、金融和工业中心。

youdao

The online-auction site is a roiling sea of commerce.

FORBES: The Ultimate Online Retailing Guide

As you pointed out, 90% of the world's commerce travels by sea.

ECONOMIST: Letters

To be sure, the great powers in question had every reason to want to ensure their ability freely to use the sea lanes of communication for commerce vital to their economic well-being.

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