英语翻译Mr.Brown has a small shop in the middle of the city ,and

英语翻译
Mr.Brown has a small shop in the middle of the city ,and he sells pictures in it .They are not expensive ,but some of them are very nice.One day,a woman comes into the shop and looks at a lot of pictures,Then she takes Mr.Brown to one of the the them and asks."How much is this picture?" It is a picture with horses in a field."Twenty dollar," Mr Brown answers."It is too expensive .I can give you two dollars for it,"says the woman."Two dollars?But you can buy the canvas(油画布）with two dollars." "Oh,but it isn't clean now,"the woman says.