centage

例句：

1. 1.The population of the city is 50% students and 50% teachers.
   这个城市的人口是50%的学生和50%的老师。
2. 2.The cost of the product is 10 cents per unit.
   这个产品的单价是每单位10美分。
3. 3. The percentage of people who have received the vaccine has increased significantly.
   接种疫苗的人的比例已经显著增加。