A new hair-growing drug is being sold for three times the price, per milligram, as the drug's maker charges for another product with the same active ingredient.
A new hair-growth drug is being sold for three times the price, per milligram, as the drug's maker charges for another product with the same active ingredient. A as B than C that D of what E at which 请诸位大牛帮我分析一下,是否that就是指代price???