地盘下降

例句：

1. 1. His popularity has been dropping recently.
   他的人气最近一直在下降。
2. 2. The company's market share is declining.
   公司的市场份额正在下降。
3. 3. Her career is experiencing a dip in popularity.
   她的职业生涯正经历着人气的下滑。