反义词是more expensive，例如：
1、Given the choice between a pure white T-shirt and a more expensive， dirty cream one， most people can be forgiven for choosing the former如果要在一件纯白的T恤和一件更贵的脏兮兮的米色T恤之间选择的话，多数人都会选前者，这是无可厚非的。
2、At his suggestion， I bought the more expensive printer.在他的建议下，我买了那部比较贵的打印机。
3、They will be slightly more expensive but they last a lot longer.它们的价钱要贵一些，可是更加耐用。
