occupancy theory

例句：

1. 1. The company's occupancy rate has been steadily increasing over the past year.
   该公司的占用率在过去一年内稳步上升。
2. 2. This occupancy theory suggests that people are more likely to engage in activities when they feel secure.
   这一占用率理论表明，当人们感到安全时，他们更有可能参与活动。
3. 3. The researcher proposed an occupancy theory to explain why some species have evolved to live in dense forests.
   研究者提出了一种占用率理论来解释为什么某些物种进化成了生活在密集森林中。