account for的解释及用法

account for:[ ə'kaunt fɔ:]
说明(原因等)
v.(在数量方面)占
1.He could not account for his absence from school.
他无法说明他旷课的原因.
2.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.
3.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.
4.He'll have to account for where every cent goes.
他得说明所花掉的每一分钱的用途.
5.He has been asked to account for his conduct.
他被要求解释他的行为.
6.Please account for your disgraceful conduct.
对你的可耻行为请作解释.

我这里有个关于财务的解释：
Account for 就是指该付款的对象或是付款对象的帐号。

account for
To constitute the governing or primary factor:
导致，引起：构成决定性的或主要的因素：
Bad weather accounted for the long delay.
长期的延缓是因为坏天气
To provide an explanation or justification...

把……考虑在内，考虑到……
Account for the traffic,we should go there earlier.