Operation research and synthesis
[经] 经营业务的综合研究
🧩 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
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
🗣️ 情景例句
That would be find.
那好。
Look! Lightening has struck the tree and it's on fire.
瞧！闪电划下来，引燃了树木。
Television cameras and newspapers carried the news to everyone in the country.
电视摄像机和报纸把消息传送到全国。