这款软件设计的高度可替代性让用户可以轻松更换组件而不影响功能。

The high ___substitutability of this software design allows users to easily swap components without losing functionality.

这些产品的可替代性很高，消费者可以轻松互换使用。

The high ___substitutability of these products allows consumers to switch between them easily.