货单的英文：
indenture

Swap order
换货单

I include eggs on the list of things to buy.
我在要买的货单上包括了鸡蛋。

To record in a ship's manifest.
把…记在船货单上在舱单上记录下来

I've got half a ton of gravel in the lorry but he won't sign my delivery note.
我的卡车里装着半吨沙砾，但他不给我签收送货单。

Start with the system's basic functions.The key is keeping track of the stock-on-hand for each product in inventory
从系统的基本功能入手，关键是始终监视货单中每种商品的现存量。

Daniel arrived in Maryland as an indentured servant.
丹尼尔作为契约佣工来到马里兰州。

Occasionally a girl of intelligence and spirit would insist on the fulfillment of the terms of her indentures
偶尔也有个把聪明、倔强的姑娘坚决要求履行合同上的规定。

The indenture system offered huge profits to the masters of the vessels which dumped their human cargo on american shores
契约制度给那些把整船人倾销于美国海岸的船主带来了巨额利润。

In 1834 the British freed the slaves who had been working the cane fields and brought in indentured workers from India and China
1834年，英国人释放了一直在甘蔗地里干活的奴隶，又从印度和中国招来许多契约工。

At the end of the indenture, the laborer was given a rifle, an axe and a bag of corn, and went off to make his own farm in the wilderness
契约期满后工人只得到一只枪，一把斧头和一袋粮食，然后离开，到荒原中去建立自己的农场。