这类产品重量大、体积大，运输它们的成本也相对较高。

These sorts of products are heavy and bulky and the cost of transporting them relatively high.

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这之所以成为可能，只是因为磁盘驱动器虽然价值高，但体积小、重量轻，因此运输成本低。

This is possible only because disk drives, while valuable, are small and light and so cost little to ship.

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当你在百慕大的沙滩上漫步的时候，你的身体正在修复你的肌肉纤维，增加血液体积，构建运输血液更加有效的微血管。

While you're lounging on the beach in Bermuda, your body is repairing muscle fibers, boosting blood volume, and building capillaries to help transport blood more efficiently.

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