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
Well, Grandpa wanted me to study engineering, like him.
嗯 ，爷爷希望我像他一样学工程。
Mac always has to run to catch his train.
麦克常常为了赶乘火车而奔跑。
'And how can you explain that?' she asked.
“那么你对那又作何解释呢？”她问。