fill in the form

基本解释

You need to fill in the form when you make your purchases, in front of the retailer.
在购物时，需要在商家之前填写申请表格。
We need to invite them, describe to them how the service works, explain to them why they should fill in the form and suggests the benefits they’ll get in return.
我们需要邀请用户，为他们描述服务产品有多少好，给他们解释为什么他们需要填那些表单并且暗示他们会因此得到利益的回报。
blog.sina.com.cn
This form includes some more advanced features, such as total values, signatures, mandatory fields, and an "auto-populate" feature that helps fill in the form for the user.
这个表单包含一些比较高级的特性，比如总值、签名、必要字段和 “自动填写” 特性（这个特性帮助用户填写表单）。

That is, there would be a printed form on paper with spaces to fill in the numbers or other things.
也就是说，开始在纸上打印表格,上面留有空格需要填写数字或是其他信息。
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