Engineering economy
[经] 工程节约, 工程经济学
🧩 词语组成解析
engineering
['ɛndʒə'nɪrɪŋ]
n. 工程（学）， 工程师行业;操纵，管理;土木工程，工事;开车技术;
engineer工程师+ing表示...行业...学 →engineering
🗣️ 情景例句
I haven't seen you for a long time.
很久没见了。
Not only did I forget my train ticket, but I also forgot my passport.
我不仅忘了带火车票，还忘了带护照。
While two detectives were keeping guard at the door, two others opened the parcel.
这时两个侦探把住门口，另外两个侦探打开了包裹。