If a person has no dreams, what is the difference with salted fish?

Does the subject want to ask, "If a person has no dream, what is the difference between it and salted fish?" ? If a person doesn't work hard for his dreams, his life will be as useless as salted fish. "If a person doesn't have a dream, what's the difference with salted fish" is a line in Stephen Chow's movie shaolin soccer, which means that if a person doesn't work hard for his dream, his life will be as useless as salted fish. Tucao generally refers to finding a loophole or keyword as a starting point from the other party's language or behavior, and sending out feelings or questions with ridicule.