sell sth for 和sell sth at 一个价钱有什么区别?

sell sth for 和sell sth at 一个价钱有什么区别? sell sth at和sell sth for,buy sth at和buy sth for 的区别 at sell 和for sell的区别 sell for 和 sell at sell sth for some money = sell sth at (the price of) sell at 和sell for的区别是什么? 卖什么东西,怎么说?是sell things for sth. sell sth.out 还是 sell out sth. sell sth to sb什么意思 （1） sell sb sth的另种表达方式是什么?是sell sth for sb use sth to do sth和use sth for dong sth有什么区别 search sth和search for sth有什么区别