zero utility造句

例句与造句

1. But, these Mach 2 and above class speeds have zero utility in combat.
2. If each winning agent i pays exactly his value v _ i, then the profit of the auctioneer is exactly the surplus S ( x ); this means that the auctioneer takes all the surplus to himself and leaves zero utility to the agents.
3. It's difficult to find zero utility in a sentence. 用zero utility造句挺难的