ADJ-GRADED (費用)高得令很多人負擔不起的,貴得讓人望而卻步的 If the cost of something is prohibitive, it is so high that many people cannot afford it. (費用)高得令很多人負擔不起的,貴得讓人望而卻步的 [formal]
The cost of private treatment can be prohibitive.
自費治療的費用高得讓人望而卻步。
...the prohibitive prices charged for seats at the opera.