variable length data

例句：

1. 1. The weather can be quite variable in different regions.
   不同地区，天气可以相当多变。
2. 2.The variables in the equation affect the outcome significantly.
   方程中的变量对结果有显著影响。
3. 3. Variables such as temperature and humidity play a crucial role in determining the outcome of an experiment.
   温度和湿度等变量在决定实验结果中起着关键作用。