fú wù fàn wéi jiāo fù fàn wéi xiū gǎi fàn wéi tīng qǐ lái chōu xiàng dàn jué dìng le nǐ dào dǐ yào zuò shén me bù zuò shén me

服务范围、交付范围、修改范围，听起来抽象，但决定了你到底要做什么、不做什么。

Scope of service, scope of delivery, scope of modification—they sound abstract, but they determine what you actually need to do and what not to do.