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    In Italian there are several ways to express the concept of serving or helping oneself. The verb servire means "to serve":
    Il cameriere serve il caffè ai clienti. (The waiter serves coffee to the customers.)
    The phrase servirsi da, which literally means "to serve oneself" refers to the concept of helping oneself:
    Grazie lo stesso; ci serviamo da soli. (Thank you anyway; we'll serve (help) ourselves.)
    The phrase servirsi di means "to use" or "to avail oneself of":
    Per adesso mi servo di questi libri. (For now I use these books)
    And finally, the phrase non servire a nulla means "to be of no use":
    Queste cose non servono a nulla. (These things are useless.)