gain narrowing

例句：

1. 1.The company is making a significant gain in its market share.
   该公司在市场上的份额正在显著增加。
2. 2.The research has shown that the use of new technology can lead to a narrowing of the gap between developed and developing countries.
   研究表明，新技术的使用可以缩小发达国家和发展中国家之间的差距。
3. 3. The policy aims to narrow the income gap between the rich and the poor.
   该政策旨在缩小富人和穷人之间的收入差距。