Storage of goods can also play a "reservoir" effect, commodity supply and demand balance.

还可通过商品储存发挥“蓄水池”作用，平衡商品供求。

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The change of labor productivity also can cause the change of the commodity supply and demand relations thus the total value quantity is changed.

同时，劳动生产率变化还会使商品供求关系变化，从而使价值总量发生变化。

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There is a more straightforward explanation for the scarcity: the surge in commodity prices is simply the result of exploding demand and sluggish supply.

有一个更直接的商品短缺的解释：商品价格的暴涨只不过是需求急剧扩大和供应缓慢增长的结果。

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Some professional money managers are starting to treat commodities as a tradable asset class, which bothers some traditional investors as each commodity has different supply and demand fundamentals.

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But a select few will see the writing on the wall and transform themselves from within, so they can stay relevant in a new world where education is a freely traded commodity subject to the same pricing, supply and demand constraints as every other commodity on planet earth.

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Electricity is a commodity that is driven by supply and demand.

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