fluctuation

US /ˌflʌk.tʃuˈeɪ.ʃən/
UK /ˌflʌk.tʃuˈeɪ.ʃən/
1.

sự dao động

a change, or the process of changing, especially continuously between one level or thing and another:

:
•
fluctuations in share prices/the exchange rate/temperature
:
fluctuate