fluctuation effect

例句：

1. 1. The fluctuation in the stock market iscausing investors to worry.
   股市的波动让投资者感到担忧。
2. 2. The scientist observed that the fluctuations in temperature affected the plant'sgrowth rate.
   科学家观察到温度的波动影响了植物的生长速率。
3. 3. The fluctuation of the population hassignificant implications for the economy.
   人口的波动对经济有着深远的影响。