The gate of heaven is broken. God invites tenders to rebuild it.
Indians said: 3000 yuan is good, the reason is that material costs 1000 yuan, labor costs 1000 yuan, I earn 1000 yuan;
A German said: to 6000 yuan, material costs 2000, 2000 people earn 2000;
Finally, the Chinese calmly said: this will cost 9000 yuan, 3000 for you, 3000 for me, and 3000 for the Indian.
God pats the case: It's you.
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From @vinegar