In the past, every ten-percentage-point increase in cigarette prices in the country of Coponia has decreased per capita sales of cigarettes by four percent.

过去，科普尼亚的香烟价格每上涨10个百分点，人均香烟销量就会下降4%。

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In the past, every ten-percentage-point increase in cigarette prices in the country of Coponia has decreased per capita sales of cigarettes by four percent.

过去，科普尼亚的香烟价格每上涨10个百分点，人均香烟销量就会下降4%。

youdao