Travel or traffic by vessels, especially commercial shipping. 海上交通海土交通或航运业，尤其指商业运输。
Stray mines began to turn up off the Pacific coast, imperilling commercial shipping. 散逸的水雷开始在太平洋海岸出现而危及商船的航行。
A gun like this would also be useful for stopping pirate attacks against commercial shipping. 像这样的电磁炮同样也可用于阻止海盗袭击商用船只。
However, the later policy of restraining commerce and the stringent ban on shipping greatly hampered commercial development. 然而，后来的限制商业政策，严格船运禁令阻碍了商业发展。