“Can use” as in “I can use some help.” (By Paul Selcke)

I need some help. = I can use some help.
I needed some help. = I could have used some help.

I can use a drink.
I can use a cigarette.
I can use a few bucks. / I can use some money.

This company can use a few more workers.
They can use some more help.

She can use some new clothes.
He can use a new computer.