詢問'Joe Lunchbox'的意思，請看內貼

在yahoo的新聞裏看到 There's certainly a customer segment that could be called 'Joe Lunchbox,' who expect to be nickeled and dimed," says Preuninger。 在這裏，'Joe Lunchbox'是什麽意思呀？who expect to be nickeled and dimed 是用來解釋的，但是還是不明白。請指教，謝謝！