It's in solution, it's refrigerated, and it's very difficult to transport refrigerated vaccines to all the remote parts of the world where you would like to transport them.

疫苗需要溶解在水中,还要冷藏,而将这些冷藏的疫苗运送到,世界上所有的偏远地区是十分困难的

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At this time the Dutch are sending herrings, these long flat boats, herring ships are going all the way to Newfoundland in the seventeenth century,and Iceland, freezing off the coast of Iceland.

于此同时,荷兰人也还运输鲱鱼,这些运送鲱鱼的长板船,在十七世纪一路开往纽芬兰和冰岛等地区,并不停穿梭于被冰壳覆盖的海岸线上

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So you need hundreds of millions of doses, at least, and you need a way to distribute that around the world, and you need a way to keep track of who got sick and who didn't after they got vaccinated.

至少需要上亿支的剂量,还得有办法将疫苗运送到世界各地,你还要一种方法进行跟踪,在接种疫苗之后谁得病了和谁没得病

耶鲁公开课 - 生物医学工程探索课程节选

So, it doesn't make sense to ship 200 Squares to these 5000 taco trucks and allow them to give these away for free or with the purchase of a taco.

所以，想给这5000辆卡车,配送200个Squares订单,让他们免费运送这些订单,或是以包下卡车为补偿运送这些订单都是不可能的。

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