decrement of load

例句：

1. 1. The population of the city hasbeen declining steadily for the pastdecade.
   过去十年里，这个城市的人口一直在稳步下降。
2. 2. The cost of living inthis area is significantly lower than in otherparts of the country.
   这个地区的生活成本比其他国家的其他地区要低得多。
3. 3. The company's profits have been decliningdue to competition from newer rivals.
   由于面临来自新兴竞争对手的竞争，这家公司的利润一直在下降。