A It is impolite to begin a meal until everyone is seated. It is also considered impolite to chew food with an open mouth， or to talk while chewing anything.
A It is impolite to begin a meal until everyone is seated. It is also considered impolite to chew food with an open mouth， or to talk while chewing anything.
在他人落座之前就开始就餐是很不礼貌的。张大嘴巴咀嚼食物，或者边咀嚼边说话，也被认为是不礼貌的。