HSK 7-9
浮动
fúdòng动
to drift about; to move unsteadily; (fig.) to fluctuate; to rise and fall; to be changeable; (economics) (of a currency or rate etc) to float
票价会随旅游季节小幅浮动。
Piào jià huì suí lǚ yóu jì jié xiǎo fú fú dòng.
Ticket prices fluctuate slightly with the tourist season.
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Appears across levels (7-9) in the HSK 3.0 word list.