商务信函在商业贸易中扮演着重要的角色，他的特点和功能决定了商务信函中必须注重礼貌原则的运用。
Business letters play an important role in business trade. Because of its characters and functions, in business letters, politeness should be paid more attention.
商务信函在商业贸易中扮演着重要的角色，他的特点和功能决定了商务信函中必须注重礼貌原则的运用。
Business letters play an important role in business trade. Because of its characters and functions, in business letters, politeness should be paid more attention.
应用推荐