account 有哪些用法及例句？

account
n.
计算, 帐目, 说明, 估计, 理由
vi.
说明, 总计有, 认为, 得分
vt.
认为
客户：与一公司有着商业或信誉联系的顾客：
salespeople visiting their accounts.
Worth, standing, or importance:

价值，地位，重要性：
a landowner of some account.
富有的地主

Profit or advantage:
利润，优势：
turned her writing skills to good account.
利用她的写作技巧来获利
v.tr.（及物动词）

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:
做出解释，提出理由：
The suspect couldn't account for his time that night.
嫌疑犯不能说明那天晚上他的时间安排

call to account
To challenge or contest.
挑战，争斗
To hold answerable for.
要求解释
on account
On credit.
以赊欠方式
on account of
Because of; for the sake of:
由于；因为：
“We got married on account of the baby”(Anne Tyler)
“我们因为孩子的缘故而结婚。”(安妮·泰