动词短语
中文翻译：增加
同义词：
['enhance', 'improve', 'increase']
例句：
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1. The company's profits have gained significantly since the new policy was implemented.
自从实施了新政策，公司的盈利显著增加。
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2. The team has gained a lot of experience through this project.
通过这个项目，团队积累了很多经验。
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3. The economy is gaining ground in developing countries.
在发展中国家，经济正在增长。