middleman
US /ˈmɪd.əl.mæn/
UK /ˈmɪd.əl.mæn/
1.
người trung gian
a person who buys goods from the company that has produced them and makes a profit by selling them to a store or a user:
:
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You can lower the price by cutting out (= avoiding the use of) the middleman and buying directly from the factory.