Research expenditure
[经] 研究费用
🧩 词语组成解析
research
['risɝtʃ]
n. 研究，追究;探讨，探测;调查;探索;
vi. 做研究;探究;（从市场调研中）得出所预测的结果;
vt. 从事…的研究，为…而做研究;
re(again)+search(to go round)→研究；调查
🗣️ 情景例句
who really needs to be wearing a tuxedo,
真正需要穿燕尾服的人，
When a dog is drowning,every one offers him drink.
待到狗溺水，众人给水喝。
but it does mean that noise is less dangerous than, say,
但它确实说明，噪音的危险性--比如说--