account for用法及例句

　　We have to account for every penny we spend on business trips.

　　我们出公差所用的每一分钱都得报清楚。

　　The social services account for a substantial part of public spending.

　　社会福利事业占了一大部分的公共支出。

　　Together they account for less than five per cent of the population

　　他们总共占不到总人口的'5%。

　　Computers account for 5% of the country's commercial electricity consumption.

　　计算机占去该国商业用电的5%。

　　Now, the gene they discovered today doesn't account for all those cases.

　　不过，他们现在发现的基因无法解释所有的病例。