减少磁性

例句：

1. 1.The population of the city is expected to reduce by 10% in the next five years.
   预计该市的人口在接下来的五年内将减少10%。
2. 2. The cost of living has reduced significantly since the introduction of new policies.
   自从实施了新政策以来，生活成本已经显著下降。
3. 3.The company plans to reduce its carbon footprint by using renewable energy sources.
   该公司计划通过使用可再生能源来减少其碳足迹。