You use indeed to confirm or agree with something that has just been said.
Later, he admitted that the payments had indeed been made.
后来,他承认说的确是付过款了。
'Did you know him?'—'I did indeed.'
“你认识他吗?” “我确实认识他。”
You use indeed to introduce a further comment or statement that strengthens the point you have already made.
We have nothing against diversity; indeed, we want more of it.
我们并不反对多样化;其实,我们希望加强多样化。
You use indeed at the end of a clause to give extra force to the word 'very', or to emphasize a particular word.
The results are often strange indeed.
结果往往真是奇怪。