decreasing cost of production

例句：

1. 1. The costof production is decreasing due to technological advancements.
   由于技术进步，生产成本正在下降。
2. 2. Thepopulation is decreasing as a result of betterhealthcare.
   由于更好的医疗保健，人口正在减少。
3. 3.The price of oil is decreasing due toglobal demand.
   由于全球需求，油价正在下降。