归纳本片英语小文章的主要意思。用英语、最好加上中文

归纳本片英语小文章的主要意思。用英语、最好加上中文
Mr.Smith gave his wife money every Friday evening.His wife always spent it all before the next Wednesday,so that for the next three days she had no money to spend at all.One day Mr.Smith asked her,"But how did you spend all that money?"She anwered,"I don't know."So one Friday evening,Mr.Smith gave her money together with an exercise book and a pencil.He said to his wife ,"Please write down how you spend the money ."Next Tuesday,his wife had no money again.Mr.Smith took the exercise book to see how she had spent it."I have done what you told me .
she said glady.She had written:"Friday ,I got 18 pounds from Mr.Smith ."On the first page,and on the second page ,she wrote:"Tuesday,I have spent it all."