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

But sometimes it's necessary when you have really big course load

但是有时候课程量很大的时候这是必要的，

开放式的课程？ - SpeakingMax英语口语达人