1)今天的第一个句子:I am just a small potato!我是一个小人物!

　　for example, when you are in your family, you are a small potato!but when you are in school, everyone knows you are a monitor and students in your class will regard you as a big shot!

　　(音乐)

　　2)第二个句子:she is a big shot她是个大人物!

　　a big shot=a VIP!

　　VIP=very important person

　　Are you a VIP? or Are you a small potato? hehe!I am sure you will become a VIP or big shot!