降低重要性

例句：

1. 1.The population of the city has been reduced by 20% in the last decade.
   过去十年里，该城市的人口减少了20%。
2. 2. The cost of living has been reduced by the government's stimulus package.
   政府的刺激计划已经降低了生活成本。
3. 3.The company is reducing its workforce to save money.
   公司正在减少员工人数以节省开支。