购买洗净、包装好的绿色蔬菜可能会节省时间，但这可能比购买等量的一棵莴苣要贵三倍。
Washed and bagged greens can be a time-saver, but they can cost three times as much as buying the same amount of a head of lettuce.
一般说来，饮同等量酒的女性血酒精浓度上升的水平比男性更高。
In general, women's blood alcohol levels soar higher than men's after drinking the same amount alcohol.
当饮用蒸馏酒时，一个人的血液酒精浓度比饮用等量的啤酒或葡萄酒升高得更快。
When a person drinks distilled spirits, his or her BAC will rise faster and higher than were the person to have consumed an equivalent amount of either beer or wine.
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