But I need to pay 3 parties at once.

但是，我需要同时给三个地方付钱。

With this service, you can pay up to 10 parties at one time.

您可以在同一时间为多达10个对象付款。

The difference between a Promissory Note and a Bill of Exchange is that this product is transferable and can bind one party to pay a third party that was not involved in its creation.

本票与汇票之间的差别在于这个汇票产品是可转让的，可以约束一方将钱支付给开始时没有参与的第三方。