inference造句

The inference I've drawn from his lateness is he overslept.
从他来晚我得出的结论是他睡过头了.

You seemed to know about this book, and by inference I thought you had read it.
你好像了解这本书, 因此我推断你已读过它了.

From his manner, we drew the inference that he was satisfied with the exam.
我们从他的态度来推断,他对这次测验很满意.