account for

(在数量方面)占；说明(原因等)； 对 ... 负责；导致，引起；击毙，杀死；报账

What might account for this strange phenomenon?(什么可以解释这种奇怪的现象？)

It should at least account for 50% of the total investment.(它至少占了投资总额的50%。)

Computers account for 5% of the country's commercial electricity consumption.(电脑占了这个国家商业用电的5%。)

The move to renewables is picking up momentum around the world: they now account for more than half of new power sources going on line.(世界各地向可再生能源转移的势头正在加快：目前，可再生能源在已上线新能源中已经占到了一半以上。)

The gene they discovered today doesn't account for all those cases.(他们今天发现的那种基因解释不了所有的那些情况。)

International affiliates account for a fast-growing segment of production in economies that open up and welcome foreign investment.(在那些开放并欢迎外国投资的经济体中，国际子公司在生产中占了一个快速增长的部分。)

How do you account for the fact that unemployment is still rising?(你如何解释失业人数仍在增加这个现实？)

Architects try to account for this effect in their design, but they can't guarantee a full auditorium.(建筑师试图在他们的设计中考虑这种影响，但他们不能保证礼堂满座。)

The president and the president alone must account for his government's reforms.(该总统并且只有总统一个人必须对他的这些政府改革负责。)

Of course, no index can account for everything.(当然，没有任何索引可以解释一切。)

verb

1. give reasons for

e.g. Can you account for all these absences?

2. be the reason or explanation for

e.g. The recession accounts for the slow retail business

1. （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.

e.g. 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. 导致；解释
If something accounts for a particular fact or situation, it causes or explains it.

e.g. 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. 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.

e.g. 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？
e.g. He said only 200 of the train's 600 passengers had been accounted for.
他说火车上的600名乘客中仅有200名乘客的信息得已查明。

4. 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.

e.g. 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。

5. 将（钱款）列入预算
If a sum of money is accounted for in a budget, it has been included in that budget for a particular purpose.

account for的反义词

e.g. The really heavy redundancy costs have been accounted for.
非常庞大的裁员开支已被列入预算。

6. 杀死；消灭；打败
If you account for an enemy or opponent, you kill, destroy, or beat them.

e.g. In the first ten days of May our squadron accounted for at least seven enemy aircraft...
5月的头10天里我们中队至少报销了7架敌机。
e.g. In the final they accounted for Brentford by three goals to two.
决赛时他们以3比2击败了布伦特福德队。