at a cheaper price 和in a cheaper price

at a cheaper price 和in a cheaper price 是at a low price 还是in a low price in half a price还是 at half a price? in a price 和at a price 分别是神马意思 at a good price rationalization at a price price的具体用法以高价,低价什么说?我见过at a high price 和in low price.那么有没有in Cheaper Than A Shrink 歌词 Taking bus in Beijing______much cheaper than taking a taxi A at a price 等于什么 be assessed at a price 价格合理是at a good price还是at good price