How to use "unlike" in a sentence

The Jondrettes' room was dirty and evil-smelling, unlike Marius's bare but clean room

It meant that she earned a regular salary, unlike Cham's parents, who were always worrying about money

In a country that worshiped youth, most elderly Americans devoutly desired to discover a place where they belonged, but unlike the duchesses, many of them never found it.

She had a throaty laugh that was not unlike Nancy's had been.

I think everyone expected to see a man come out - possibly something a little unlike us on Earth, but more or less a man

The sound of its super-smooth engine was soft and gentle, unlike the hard banging of the girl's high-heeled shoes