medium rank的用法和樣例：
例句
- At first the plan was for professional diplomats of middle rank to head the liaison offices.
原先的設想是，聯絡處主任由中級職業外交官擔任。 - A detailed basic techniques section caters to both newcomers to the digital medium and those who wish to brush up on their skills.
其中的基本技術部分既適合新從業者和那些中級數字設計師，也同樣對那些希望提高技藝的人有很大幫助。
