Operational research
出国 Abroad[经] 运筹学
🧩 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
beat its rival Horace Mann in baseball today ...
在今天的棒球赛中打败了对手Horace Mann队。
Doing is better than saying.
行胜于言。
They were taking a badly damaged boat from the Virgin Islands to Miami to have it repaired.
他们驾着一条严重损坏的小船从维尔京群岛阿密修理。