It was perfect and he would be glad just to improve some things , to change the structure , to exclude unnecessary facts , to add some bright illustrations and so on .
It was perfect and he would be glad just to improve some things , to change the structure , to exclude unnecessary facts , to add some bright illustrations and so on .
It was perfect and he would be glad just to improve some things , to change the structure , to exclude unnecessary facts , to add some bright illustrations and so on .
修正语法错误: It was perfect and he would be glad just to improve some things , to change the structure , to exclude unnecessary facts , to add some bright illustrations and so on . 输出: