[] (underspent, underspent/-spent/) to spend less than the amount that you can or should spend花费少于（预算）◆We have underspent our IT budget this year.我们今年的信息技术开支低于预算。◆For many years the government has underspent on public transport.多年来政府在公共交通方面的开支不足。OPPoverspend ▸underspend /ˈʌndəspend; NAmEˈʌndərs-/
noun
[, ; ]◆The extra money comes from a £5 million underspend in another department.这笔额外的资金来自另外一个部门节省的 500 万英镑。▸underspending /ˌʌndəˈspendɪŋ; NAmEˌʌndərˈs-/