Recycling also reuses valuable raw materials, such as aluminum and paper.

回收也会重复利用有价值的原材料，比如铝和纸。

youdao

He could not understand how people paid for food and valuable things with paper! He was also puzzled by the black stones people used to burn to produce heat.

他不明白人们是怎么用纸来买食物和贵重物品的！他还对人们用来燃烧产生热量的黑色石头感到困惑。

youdao

There is no point whatsoever in carefully placing our valuable artifacts in paper or cards that is going to hasten their demise.

小心地把我们珍贵的文物放在纸上或卡片上的这种做法毫无意义，只会加速它们的灭亡。

youdao

The stated intention of this policy is to introduce more inflation as a means to potentially stimulate economic activity, but it also provides a means to pay back the large amassed debts with less valuable paper currency without having to deal with the short-term pain of actual default.

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And, since gold is typically priced in dollars, it can become more valuable as paper dollars become less valuable.

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Malleable ideas in action are far more valuable than rigid ideas on paper.

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