The surveys of ERS help low-income households develop economizing practices. [br

游客2023-08-30 53

问题 The surveys of ERS help low-income households develop economizing practices. [br] Promotions are usually used to attract low-income shoppers.

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答案 NG

解析参见“More Spending on Promotional Items”小节部分，可见文中主要强调了随意称重的商品和固定重量商品的促销手段对三个不同收入层次的消费者的影响，但并未提及商品促销通常是用来吸引哪个层次的消费者的问题。

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