Electronic payment means someone putting out their payment order directly or indirectly through the Electronic Ending for money paying and funds transferring.

“电子支付”指单位、个人通过电子终端，直接或间接向银行业金融机构发出支付指令，实现货币支付与资金转移。

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When such trading glitches occur, the market often reverses itself meaning a trader with an electronic stop-loss order would have avoided losses, or even made money, if the sudden swing hadn't occurred.

WSJ: How the Knight Glitch Roiled Investors