If an old hard drive is making noise you can either de-fragment it and see if that reduces the sound, or you can buy a new, silent hard drive.

如果一个老硬盘有噪声，你可以整理一下硬盘碎片，看声音是否减少，也可以买一个新的、安静的硬盘。

youdao

And watched three-spined stickleback fish hunt water fleas, to the accompaniment of either white noise calibrated to match the noise level of speedboats or a silent track as a control.

并控制三刺鱼在跟快艇噪音程度相当的白噪声中，或者完全安静的环境之下，观察它们捕食水蚤的情况。

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And as every Roller is famously smooth, swift and silent, electric motors can hardly excel in that department either.

另外传统的每辆劳斯莱斯都以舒适，敏捷和安静和著称，电动机在这方面更胜一筹。

youdao

And at this critical time in US-Israel relations, the American Jewish leadership is either silent or siding with Obama.

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The others remained silent, either out of shame or because they feared that assignments would cease.

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Either way there will be silent stares instead of guffaws and clapping.

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