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an opportunity or advantage that someone gets without having done anything to deserve it
白白得到的东西，无本获得的利益
Just because he was the boss's son didn't mean Tim got a free ride.
就算蒂姆是老板的儿子也不意味着他就能有“免费的午餐”。
They are encouraging all workers to join the union rather than just taking a free ride on those who do join.
他们鼓励所有工人加入工会，而不是坐享其成。