Vending machines with choice of goods, give change back coins, no goods prompts, unit prices displayed, select the quantity of air can
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But more prominently displayed unit prices in shops and advertisements would be a great help.
但如果商店和广告上能更清楚地标明单价的话必定可以帮上大忙。
Sending everyone back to school for maths refresher-courses seems out of the question. But more prominently displayed unit prices in shops and advertisements would be a great help.
让大家重返校园进修数学似乎不大可能，不过在商店和广告中更明显地标出产品单价将会有莫大的帮助。
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