显示安全付款的书面说明。"" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "照片"照片"照片"安全安全安全安全安全安全安全安全安全"" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "". 显示安全付款的书面说明。支付保障的商业概念是指即使在有争议的情况下也要确保支付