quantity increment

例句：

1. 1. The company plans to increase itsproduction capacity by 20% nextyear.
   该公司计划明年将其生产能力提高20%。
2. 2. The price of oil has increased significantlysince the beginning of the year.
   自年初以来，油价显著上涨。
3. 3. Thegovernment is considering increasing taxeson luxury goods to help fundpublic services.
   政府正在考虑对奢侈品征税以资助公共服务。