In the first half of this year, the retail price of commodities is down by 3.2% over that in the same period of last year; that of consumer price is down by 1.8%.是什么意思_In the first half of this year, the retail price of commodities is down by 3.2% over that in the same period of last year; that of consumer price is down by 1.8%.在线翻译_英语_读音_用法_例句