实用性

例句：

1. 1.The new design is more practical than the old one.
   这款新设计比旧的更实用。
2. 2. The decision was based on practical considerations.
   这个决定是基于实际考虑做出的。
3. 3. The project's success depends on its practicality.
   这个项目的成功取决于其实用性。