枕头真的会“过期”吗？

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Have you ever discovered that a pillow comes with an expiration date printed on it？ While some manufacturers may indeed offer a "best by” date on a pillow， can they really "expire"？ Not exactly-but you may want to heed their advice anyway.

你是否曾经发现枕头上印有有效期？虽然一些制造商确实可能在枕头上提供“最佳使用期限”，但它们真的会“过期”吗？并不完全是这样 但无论如何，你可能还是想听从他们的建议

Why Do Pillows Need to Be Replaced？为什么枕头需要更换？

Pillows have a big job to do. They have to support your head for several hours every night keep your head and neck aligned with your spine， and tolerate all the skin oil， dander， and drool you share with them. All that wear and tear means pillows generally have a finite life expectancy before they sag or turn into a lumpy bag of polyester.

枕头承担着重要的任务。（剩余2242字）