Theoretically, in the world of trade, shipping costs do not matter.
理论上，在贸易领域，运输成本并不重要。
2
The collision took place in one of the busiest shipping lanes in the world.
撞船事件发生在世界上最繁忙的一条船运航道上。
《柯林斯英汉双解大词典》
3
That includes raising and harvesting all the plants, animals, and animal products we eat, as well as processing, packaging, and shipping food to markets all over the world.