depreciation expense是折旧费的意思。depreciation expense的例句：Pre-all prepaid mention costs，depreciation expense calculation（各项待摊预、提费、折旧费用的核算）。

depreciation expense的例句：The recording of depreciation expense is an adjusting entry which apportions a recorded cost（记录折旧费用是一笔将已入账的成本进行分摊的调整分录）；The straight-line method allocates an equal portion of depreciation expense to each period of the asset's useful life（直线折旧法在资产使用年限内将等额折旧费用分配到每一年度）。