I think the answer is just the opposite. What do you mean by two generations of love? From this joke, we can see that two generations of love are one.

Shopkeeper: Tell you what, I'll reduce your price by 30%.

Friend a said: then we will get a 60% discount on two pieces.

Friend b said: yes, that's right. If we buy three pieces, we can reduce the price by 90%. If we buy four pieces, he will give us money ...

I was stunned by my friend's wit …