trade-off

trade-off
ˈtrade-off noun [countable]
a balance between two opposing things, that you are willing to accept in order to achieve something
    a trade-off between something and something
    There has to be a trade-off between quality and quantity if we want to keep prices low.

trade-offBrE /ˈtreɪd ɒf/ 🔊NAmE /ˈtreɪd ɔːf/ 🔊, /ˈtreɪd ɑːf/ 🔊 noun~ (between sth and sth) the act of balancing two things that are opposed to each other （在相互对立的两者间的）权衡，协调◆a trade-off between increased production and a reduction in quality对产量增加和质量下降的权衡