Users twit a payment request to ask money and they twit to the destination confirming payment throughout the world to see.

世界各地的用户嘲笑收钱的支付方式，以及确认目的地的支付过程。

That means you have to send them documents – pieces of paper – requesting a payment – requesting that they pay you.

这意味着你必须向他们发送文件——纸片——请求付款——请求他们向你付款。