retentivity of vision

例句：

1. 1. The patient's retentivity is crucial for the recovery process.
   患者的持久性对于康复过程至关重要。
2. 2.The scientist's research has shown that this material has excellent retentivity.
   科学家的研究表明，这种材料具有极好的保持能力。
3. 3. The company's ability to retain employees is a key factor in its success.
   公司留住员工的能力是其成功的关键因素之一。