Fluctuations
n. 起伏现象；变动；波动（fluctuation的复数）
🗣️ 情景例句
I think I've had enough of that sandwich.
我想我已经吃够了三明治。
According to the regulations, sir, you'll have to reimburse the bank for the amount paid.
根据规定，先生，您应该补偿银行付的那笔款了。
Certainly. But please give it back soon.
可以，但是用完后请及时还回来。