The perfect time to unplug those cords from behind the computer tower, open the tower and start cleaning the heaps of dust that have accumulated over the past few weeks.

这绝对是个理想的时机来拔除电脑主机后面的电线，并且打开主机，清除过去几周以来堆积下来的灰尘。

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The original iMac and its successors showed that the traditional computer tower is extraneous for most consumers.

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Last year's two unusual machines, the G4 Cube and the G4 dual-processor tower computer, failed to ignite enthusiasm.

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