均可,但有固定用法. cut down expenditure/ expense They cut down unnecessary expenditure . 他们削减了不必要的开支. They had to cut down expense . 他们不得不减少开支. 或 cut spending What would have happened if governments had decided to cut spending and raise taxes 如果政府当初决定削减开支并提高税收,会出现怎样的情况呢?