如果因为进一步的退化它的熔点降低了，它的分子量也会降低，以至于它完全不会再流通中仍然有足够长的效果。

If its melting point were lowered by further degradation, its molecular weight would also be so lowered that it would not remain in the circulation long enough to have any effect at all.

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最后，产品通过零售环节流通到消费者手中，产品通常在这一环节中再还原为单个产品。

Finally, the flow of products through the retail chain to consumers, the product is usually further back in the chain for individual products.

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此外，采用自由流通货币的中央银行不需要再提息维护汇率了。

In addition, the central banks of free-floating currencies no longer had to raise interest rates to defend their exchange rates.

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