Exploration cost
[经] 勘探成本
🧩 词语组成解析
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
Workers have to work very hard to keep bread on the table.
工人得十分努力工作才能赚钱糊口。
Not bad.
不赖嘛！
however good and adequate they may be both as parents and as individuals,
不管家长的人品有多么好，作为父母又多么合格，