fade-out system

例句：

1. 1. The old photos are fading out in the sunlight.
   旧照片在阳光照射下正在褪色。
2. 2. The fade-out system is causing a lot of confusion among the users.
   褪色系统正导致用户之间产生很多混淆。
3. 3. The company has implemented a new fade-out system to improve its security.
   该公司已实施了一种新的褪色系统，以提高其安全性。