石油是美元计价的,即使供求水平不变,美元升值石油价格下跌,美元贬值石油价格上升
而美元的价值又和其他因数有关....
石油是美元计价的,即使供求水平不变,美元升值石油价格下跌,美元贬值石油价格上升
而美元的价值又和其他因数有关....
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