staging post

剑桥词典

a place where stops are regularly made on long journeys
（長途旅行的）中途站
Hong Kong is often used as a staging post on flights from Melbourne to London. 香港常被用作從墨爾本飛往倫敦的中轉站。
figurative For people who have spent a long time in a mental hospital , a hostel acts as an important staging post (= a place to stay temporarily) between the hospital and a home of their own. 對於在精神病院中呆了很長時間的人來說，招待所是從出院到找到他們自己的居所期間重要的中轉站。 返回 staging post