private mail短语¹³¹⁶²⁰⁺³ 基本例句 私人信件 During this period, this business got inevitably involved with domestic government, governments of residing countries, private mail offices and foreign post offices in China while developing. 在此期间，侨批业在自身发展的同时，不可避免地与国内政府、侨居国政府以及民信局、客邮等发生了千丝万缕的联系。 cnki