micropayment
n. 微支付（指浏览某些网站所必须支付的小额费用）
例句
Based on mobile agents, this paper presents a micropayment protocol.
文中设计了一种基于移动代理的小额支付协议。
That was originally driven partly by the absence of good micropayment systems.
根本上来说，这个理由只是部分基于优秀的小额付款服务系统的缺失。
Attempts to charge subscription fees or set up "micropayment" schemes have failed.
收取订阅费或设立“小额支付”计划的企图也以失败而告终。
