hospital expend的用法和樣例：
例句
- Adances in medical technology are allowing hospitals to sae money by shortening hospital stays, Daid said.
大衛說，醫學技術進步允許醫院通過縮短住院時間節省住院費用。 - We report a hospital charge-analysis comparing ProDisc lumbar disc replacement with circumferential fusion for discogenic low back pain.
我們這一研究應用人工腰椎間盤置換和外周融合處理盤源性下腰痛，對其住院費用進行分析比較。
