“account for”的意思是：说明（原因、理由等）;导致，引起;（在数量、比例上）占;对…负责。
1、PHRASAL VERB （数量或比例上）占
If a particular thing accounts for a part or proportion of something, that part or proportion consists of that thing, or is used or produced by it.
例句：Computers account for 5% of the country's commercial electricity consumption.
计算机占去该国商业用电的5%。
2、PHRASAL VERB 导致；解释
If something accounts for a particular fact or situation, it causes or explains it.
例句：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。
3 、PHRASAL VERB 为…提出理由;对…作出说明
If you can account for something, you can explain it or give the necessary information about it.
例句：How do you account for the company's alarmingly high staff turnover?...
你怎么解释这家公司高得令人忧虑的人员流动率？
4、PHRASAL VERB 对（行动、政策等）负有责任
If someone has to account for an action or policy, they are responsible for it, and may be required to explain it to other people or be punished if it fails.
例句：The President and the President alone must account for his government's reforms.
总统必须为他的政府改革负责，而且是负全责。
扩展资料
account的常见词组搭配：
by all accounts 根据各方面的说法
by sb's account 据某人讲
for account of 为…代销
for this account 因为这个缘故
from all accounts 根据各方面所说
in account with 与…有账务往来
in an account 在账目里
in the last accounts 归根到底,终于
意义：说明；导致，引起；占；对...负责
资料扩展：
包含account for的例句
Petrochemicals today account for one fourth of all the chemicals made, in ten years this amount is expected to double.
石油化工产品现在已占所有化学制品的四分之一，十年后预计这个数目还要加倍。
Students account for 50% of our customers.
在我们的顾客中,学生占了一半。
He has been asked to account for his conduct.
他被要求解释他的行为。
He could not account for his absence from school.
他无法说明他旷课的原因。
The treasurer has to account for the money paid to him.
财务负责人必须说明交给他的钱是怎样用的。
Please account for your disgraceful conduct.
对你的可耻行为请作解释。
“account for”的意思是“对…负有责任；对…做出解释；说明……的原因；导致；（比例）占”。
拓展资料：
1.How do I account for it?
我怎么向他解释？
2.The store debited his account for the purchase.
商店将这笔购货金额记入他的账户的借方。
3.Added together, the factors account for about 50% of the risk.
这三大因素加在一起占了50%左右的风险。
4.Fannie and Freddie account for half of all mortgages in the US.
房利美和房地美占据了美国抵押贷款的半壁江山。
5.My confessions have not relieved me; but they may account for some otherwise unaccountable phases of humour which I show.
我的自白并不能使我轻松；可是这些话可以说明我所表现的情绪，不如此是无法说明的。
1．explain；give a reason for解释；说明…的原因
*How do you account for the accident？你如何解释这次事故的原因？
*We asked him to account for his conduct．我们要他对自己的行为加以解释。
2．give a statement to show how money or goods have been dealt with说明（钱等的）用途
*You have to account for losing such a large sum of money．丢了这么一大笔钱，你务必解释清楚。
*We must account for every cent we spent．我们花掉的每一分钱，都要有个交代。
3．be responsible for负责The librarian has to account for each book in his charge．图书管理员应对所管的每一本书负责。
*You will have to account for the misprints in the article．你必须对文章中的印刷错误负责。
*It will take him 20 years in prison to account for such a terrible crime．他犯有严重罪行，将在监狱中监禁20年。
4．occupy；amount to（数量）占；共计达
*In that country，the production of raw materials accounts for a considerable proportion of the national economy．在那个国家，原材料生产在国民经济中占相当大的比重。
*League members account for the majority of the students in the class．团员占这个班学生的大多数。
对…负有责任；对…做出解释；说明……的原因
占据