Clean surplus theory
[经] 净盈余学说(理论)
🧩 词语组成解析
clean
[klin]
adj. 清洁的;整齐的;新的;正派的;
vt.& vi. （使）清洁;变干净;除去…的灰尘;使…干净;
vi. 清扫;
adv. 完全地，彻底地;
n. 打扫;
🗣️ 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽车上张贴着请勿吸烟的公告。
It took him a long time to make up his mind.
下决心花了他很长时间。
Jim, how long have you been at this school?
吉姆，你到这学校有多么时间了？