But even the best market formation and trading system can be over-run by a dramatic change in supply and demand.

如果需求关系发生重大变化，最好的市场形态和交易系统也会失效。

youdao

A change in the money supply brings a corresponding change in expenditure.

货币供应量的改变随即引起支出的相应改变。

《牛津词典》

One great advantage of this plan is its simplicity, as well as the minimal change in banking and the money supply that it would require.

这个方案的一个极大好处是它的简单性，对银行业和货币供应带来的变化也是最小的。

youdao

If food demand or supply has a very low elasticity with respect to price in the short term then when we have only a minor change in supply and or demand then we will see large changes in food prices.

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According to Sam Walsh, the board is likely to approve the proposal, barring a significant change in the supply-demand situation by then or a major increase in production costs.

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And there was no measurable change in the supply of gold.

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