求翻译：The ideas that I came up with for the sales benefit because it allows them to get a sense of the flow of the market--tie in with current economy. because obviously a sale benefits shoppers if the sale price is lower than it normally would be. The extent to which it can make them spend more than they normally would all depends on how well the shoppers can resist the urge to overspend and how well the sale presentations encourage them to overspend.是什么意思？

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