Research cost
[经] 研究成本
🧩 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
cost
[kɔst]
n. 价钱，代价;花费，费用;牺牲;[用复数][法律]诉讼费;
vi. 价钱为，花费;估计成本;
vt. 付出代价;估价;使丧失;使付出努力;
🗣️ 情景例句
Sorry to keep after you, but could you tell me...
对不起，又打扰你了，你能告诉我…
How much will that be altogether?
总共多少钱？
I was only five when my father had taken me abroad, and that we eighteen years ago.
我5岁那年，父亲就带我出了国，那是18年前的事了。