To accept a minor setback or loss in the short term for the purpose of gaining a more substantial benefit or advantage in the long run; to throw a sprat to catch a mackerel.
在谈判中，有时主动让步一点，是为了最终能够吃小亏占大便宜。
In negotiations, sometimes making a small concession voluntarily is to ultimately suffer a small loss to gain a big advantage.
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