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(shuō)，醫學(xué)技術(shù)進(jìn)步允許醫院通過(guò)縮短住院時(shí)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(pán)置換和外周融合處理盤(pán)源性下腰痛，對其住院費用進(jìn)行分析比較。
