At some later time, the book seller sends you a confirmation of dispatch of your order, along with a tracking number you can use to check the status of the delivery with the shipping company.

在随后的某个时间，书商会给你发送一个你订单的发货确认，以及一个跟踪号，你可用它来检查运货公司的运货状态。

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At the same time, we request you to give us your purchase order by three working days from 20th of the previous month for our shipping preparation.

同时，为了出货准备，从上一个月的20号前后三天开始。我们要求你们给我们提供你们的订购单。

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According to an article from Fox Business, the huge demand for roses on a single day out of the year means that rose producers have to increase volume dramatically, shipping has to occur in the same high volume, and retailers have to order ahead of time to meet the huge demand.

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