What do you deduce from it?

你从中能推断出什么？

What can you deduce from the scene?

你从这个场景中能推断出什么？

Holmes said: "and what do you deduce from that?"

福尔摩斯答道：“从这你能推到什么呢？”

Deduce from what they say what this would mean for you.

推论，他们说的是什么，这将意味着给你。

We deduce from those facts that the empire is declining.

从这些事实我们推断这个帝国正在衰退。