varying function

例句：

1. 1. The teamhas a varying skill set, which makesit challenging to predict their performance.
   这个团队的技能水平各不相同，这使得预测他们的比赛表现变得困难。
2. 2. The weather varies greatly fromday to day.
   天气从一天到另一天变化很大。
3. 3. The company's productsvary widely in price and quality.
   该公司的产品在价格和质量上差异很大。