买的起英语

电：electricity；漂浮：float；买得起:afford to；公寓：apartment

can afford （to do） sth如：I can't afford it.我买不起。

I can buy it and I can afford. I can afford买得起,负担得起

electriciy (n.)float (v.)can afford sth.apartment (n.)

直接就可以用buy

I can afford it.afford 买的起，负担的起的意思。