一旦支付指令被每个团体设计完毕，一项被称为GateKeeper的FPS的功能就必须验证他们的兼容性，并安装他们以处理交易。
Once Payment Instructions are formulated by each party, a piece of FPS functionality called GateKeeper has to verify that they are compatible and install them in order to proceed with a transaction.
一旦商品权利被出租，承租人将向所有人支付一笔预付款，用于勘探财产并调查提取商品的可能方式。
Once the commodity rights are leased, the lessee will issue the owner an up-front payment to explore the property and investigate possible ways to extract the commodity.
一旦病毒进入计算机，它会锁住所有文件，并要求用户支付解锁费用。
Once the virus gets into the computer, it locks all the papers and asks the user for money to unlock them.
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