合理用钱的语言表达 — 英语词汇题
题目
根据句意和首字母提示补全本单元核心词汇。Lily goes to the bookshop with 20 yuan. The notebook is 15 yuan and the pencil box is 20 yuan. Lily says, "I only n____ the notebook. I won't buy the pencil box, because I want to s____ some money for books later." She t____ it's important to use money in the right way.（合理用钱）