There are few areas of our lives in which tools dont play an ______ part. A. indispensable B. independent C. indistinguishable D. indiscriminate [indispensable] indispensable 不可或缺的,必要的,必不可少的 expense 花费,费用 expenditure 花费 expensive 花费的 [/indispensable] [independent] independent 不可依靠的,独立自主的 [/independent] [indistinguishable] indistinguishable 不能区分的,不可辨别的,无法辨认的 [/indistinguishable] [indiscriminate] indiscriminate 不辨善恶的,不辨美丑的 |