换文: exchange of notes [letters]: 就发展贸易关系换文 exchange notes on the development of trade
就发展贸易关系换文: exchange notes on the development of trade
形式: 1.(事物的形状、结构等) form; shape; layout; modality 短语和例子流于形式 become a mere formality; 形式多样 be various in forms; 形式和内容 form and content; 他已经肯定获得那份工作了, 口头审查仅是形式而已。 he is already assured of the job
