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●account for sth- to explain or give a reason for something解释；说明◆How can we account for these changes?我们如何解释这些变化？◆My boss asked me to account for all the money I had spent (= to say what I had spent it on).老板要我说明我把钱都用在了何处。
- to supply the amount that is mentioned（数量上）占◆Sales to Europe accounted for 80% of our total sales last year.去年，对欧洲的销量占我们总销量的 80%。➨ LANGUAGE BANK用语库proportiondescribing fractions and proportions描述分数和份额According to this pie chart, a third of students' leisure time is spent watching TV.如饼分图所示，学生的闲暇时间有三分之一都花在看电视上。One in five hours is spent socializing.每五个小时中有一个小时花在社交活动上。Socializing accounts for / makes up / represents about 20% of students' leisure time.社交活动占去学生大约 20% 的闲暇时间。Students spend twice as much time playing computer games as they do playing sports.学生玩电脑游戏的时间是他们运动时间的两倍。
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