用at a price造句

have,jackets,a,price,very,they,at,good（.）造句 at a good price rationalization at a price at a very good price为什么用at 用price造句 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 请问at a price of & at the price of at a ……(便宜的）price造句,初一上册水平 是at a low price 还是in a low price at a cheaper price 和in a cheaper price