life space

例句：

1. 1. The city has a limitedlife space due to its dense population.
   由于人口密集，这个城市的生活空间有限。
2. 2. Thegovernment is working hard to improve the qualityof life for its citizens.
   政府正努力提高公民的生活质量。
3. 3. The scientist's researchhas greatly expanded our understanding of the universe's life space.
   科学家的研究极大地扩展了我们对宇宙生命空间的理解。