"I saw all these ships waiting out there,I am guessing, waiting their turns to load and unload the cargo, so,I said,Why do the ships come into the harbor?" Why not have the harbor go out there and bring the goods in?'" Researchers describe the mobile harbor as a lean, light system for unloading container ships even if the coastal area is too shallow for them to dock.

VOA: standard.2010.01.04

What this means is that boats can dock outside these kind of big warehouses and can unload or, depending on the case, load goods.

这一变化的意义就在于,船舶能直接停泊在巨大的货仓外卸货了,当然,也同样能装载货物

耶鲁公开课 - 欧洲文明课程节选

What this means is that boats can dock outside these kind of big warehouses and can unload or, depending on the case, load goods.

这一变化的意义就在于,船舶能直接停泊在巨大的货仓外卸货了,当然,也同样能装载货物

耶鲁公开课 - 欧洲文明课程节选