反義詞是expensive,表示昂貴的,例如:
1、The new office block has become an expensive white elephant.這座新辦公大樓成了昂貴的擺設。
2、Making the wrong decision could prove expensive.錯誤的決策可能會付出昂貴的代價。
3、The other one was much too expensive.另一個太貴了。