所有关于电话的学问都是实用的知识，因为他只需要关注于我当下需要知道以及未来可能的实用目的之外的其他事物。

All of this telephonic lore is recipe knowledge since it does not concern anything except what I have to know for my present and possible future pragmatic purposes.

youdao

所有关于电话的学问都是实用的知识，因为他只需要关注于我当下需要知道以及未来可能的实用目的之外的其他事物。

All of this telephonic lore is recipe knowledge since it does not concern anything except what I have to know for my present and possible future pragmatic purposes.

youdao