每日商務英語 第733期:經濟壽命

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economic life ———— 經濟壽命（商業術語）

英文釋義
(BUSINESS) The number of years machinery, or other similar capital assets, are expected to be able to remain in use.

例句
Manufacturers claim that the economic life of a well-built commercial truck today is nearly double what it was forty years ago.
製造商們聲稱，今天一臺質量良好的商用卡車的經濟壽命幾乎是40年前的兩倍。