摘要
聪明的鹦鹉 有个人去宠物店买鹦鹉。在那里，他看见有只鹦鹉的左腿被红线系住，右腿则被绿线系住。对此他感到不解，于是他问该店的老板。
A smart parrot A curious guy goes to a pet shop to buy a parrot. There he sees a parrot with a red string tied to its left leg and a green string tied to it＇s right leg. He asks the owner the significance of the strings.
