Connotation joke: Can you think of vegetables when you mention cucumbers?

Connotation joke: Can you think of vegetables when you mention cucumbers?

"Why, the meanings of the words farmer, miss and comrade have all changed."

B: "if you change it, you will change it. Isn't that all? Not much! "

A: "Not much? Now the waves are rough, can you still think of the sea? Can you think of dry goods when you mention fungus? Can you think of vegetables when you mention cucumbers? Can you still think of school when you mention Cang teacher? "