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来源：雅诚德英语网
Provide on-site service within 48 hours for contract customers if online consulting agreement failed to resolve.
针对合同协议客户如在线咨询未能解决，将在48小时内提供现场服务；
Provide on-site service within 48 hours for contract customers if online consulting agreement failed to resolve.
针对合同协议客户如在线咨询未能解决，将在48小时内提供现场服务；