size reduction

例句：

1. 1. The company islooking into ways to reduce its carbon footprint.
   该公司正在寻找减少其碳足迹的方法。
2. 2.The new model has a size reduction of20% compared to the previousone.
   新款模型与前一款相比，尺寸减少了20%。
3. 3. The engineers workedon reducing the size of the machine whilemaintaining its efficiency.
   工程师们致力于在保持机器效率的同时，减少其尺寸。