At first the plan was for professional diplomats of middle rank to head the liaison offices. 原先的设想是，联络处主任由中级职业外交官担任。
Of the stage of education and schools between elementary and secondary including middle grades centering on 5 through 7. 指位于基础和中级之间的教育阶段和学校，包括五到七年级之间的中等年级。
