1. fluctuating (adj) giao động
(fluctuating prices, levels, or interest rates go up and down)
IELTS TUTOR xét ví dụ:
- Flexible mortgages are suitable for borrowers with reliable but fluctuating income.
- Using temporary workers helps firms to cope with fluctuating demand.
- fluctuating prices/currencies/exchange rates
2. fluctuation (noun) sự giao động