Fluctuations
n. 起伏现象；变动；波动（fluctuation的复数）
🗣️ 情景例句
In fact, I'd like your autograph.
事实上 我想要你的签名。
Hope for the best, but prepare for the worst.
作最好的希望，作最坏的打算。
'Oh, that,' said the Ambassador.
“那个嘛，”大使说，