why didn't you buy ____ for yourself?

why didn't you buy ____ for yourself?
why didn't you buy ____ for yourself?

why didn't you buy ____ for yourself?
Why didn't you buy something for yourself?
something 与anything 的区别和 some 与any的区别相同 在肯定句中通常用something 否定句和疑问句中通常用anything.但是,当期望得到对方的肯定回答时要用something,或是给建议时,也用something.比如 Would you like something to eat?

something,为什么不买点东西给自己呢

something,
为什么不自己买点东西呢。