percentage of passenger seats utilization per train

例句：

1. 1. The company's profit margin is20% of its revenue.
   公司的利润率是其收入的20%。
2. 2. Thecost of living in this city is5% higher than the national average.
   这个城市的生活成本比全国平均水平高出5%。
3. 3.The sales team has achieved a 10% increase in sales over the pastyear.
   销售团队在过去的一年里销售额增长了10%。