有时商店里因为没有足够的硬币而使用一些代用币。

Sometimes stores used certain tokens because there was a shortage of actual coinage.

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面对人民币重估造成的进口品价格上涨，一些美国消费者可能转向国内代用品。

Facing the rising prices of imports caused by the revaluation, some American consumers would have switched to domestic substitutes.

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