答案：
guaranteed satisfactory solution system
例句：
同时,在部分海关试行了“首问负责制”服务,对各界联系工作或咨询业务,实行“先一口接收、后内部分工”的做法.
In the meantime,some customs offices have initiated a pilot project called "guaranteed satisfactory solution system",meaning whoever taking the first enquiry must be responsible for a guaranteed satisfactory solution 答案：
guaranteed satisfactory solution system
例句：
同时,在部分海关试行了“首问负责制”服务,对各界联系工作或咨询业务,实行“先一口接收、后内部分工”的做法.
In the meantime,some customs offices have initiated a pilot project called "guaranteed satisfactory solution system",meaning whoever taking the first enquiry must be responsible for a guaranteed satisfactory solution