An apple sells for two yuan in a store, and can be sold for 30 yuan when made into fruit salad in a star-rated hotel. How much do you think it will cost to fly on the Shenba and into space? Obviously, the value of something is inextricably linked to its location. People are like that too. But in fact, what we want to do is not the one with the highest value, but the one who is irreplaceable.