她对商业和工业世界感兴趣。

She is interested in the world of ___commerce and industry.

在过去，当唯一的交通工具是马时，人们在交流、商业和生活中普遍存在许多困难。

In the old days, when the only means of transport were horses, there were many difficulties in communication between people, in ___commerce, and in life generally.

国际贸易依赖于高效的物流和贸易协定。

International ___commerce relies on efficient logistics and trade agreements.