仅做参考:
这是支付宝的海外商户页面:
https://global.alipay.com/products/online
其中关于成本:
Standard Cost
If the total transaction volume of the preceding calendar month is less than 1 million RMB, the applicable rate of the current calendar month will be 2.2%.
如果月总交易额低于 100 万人民币, 收取的当月费率为 2.2%