stable quantity

例句：

1. 1. The company's sales have been increasing steadily since the new product launch.
   自新产品推出以来，公司的销售额一直在稳步增长。
2. 2. The government is committed to maintaining a stable supply of food for its citizens.
   政府致力于为公民提供稳定的食品供应。
3. 3. The team has made steady progress in improving their performance over the past few months.
   该团队在过去几个月里在提高表现方面取得了稳步进展。