actuary
n
expert who calculates insurance risks and premiums (by studying rates of mortality and frequency of accidents, fires, thefts, etc) 精算师(保险业的专业人员, 以研究死亡率及事故, 火灾, 窃案等的频率为依据来估算风险和保险费者).
🗣️ 情景例句
Two weeks. I said I could do it in two weeks, and I did it.
两周。我说过我两周就能完成, 现在我做到了。
Please send your report to me at the office by Monday.
请于周一以前将报告送到我的办公室。
Ethanol is more effective at a concentration of 50-70 percent;