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
She hasn't been employed for six months now.
她已经失业半年了。
School should be a time for learning.
学生时代，应该学习许多重要的事情。
In fact a basic amount of movement occurs during sleep which is specifically concerned with preventing muscle inactivity.
事实上，睡眠状态下仍有着基本的活动量，以防止肌肉活动停止。