每日商务英语 第509期:废弃不用

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to collect dust-------废弃不用（成语）

英文释义
(IDIOM) To remain in an unused position.

例句
Last year I bought an expensive set of golf clubs but nowadays they're just collecting dust because I too busy to use them.
去年，我买了一套昂贵的高尔夫球杆，但现在它们被扔在一边，因为我太忙，没时间用它们。