这个决定是权衡效率和成本后的结果。
（参考翻译：The decision is a trade-off between efficiency and cost.）
自己翻译：This decision is the teade-off between efficiency and cost.
场景：如果我们想要保持长久的幸福就必须在工作和生活上保持平衡。
There has to be a trade-off between work and life if we want to keep our happiness longer.
造句参考：
a trade-off between sth and sth
•There has to be a trade-off between quality and quantity if we want to keep prices low.如果我们想要保持低价，必须在质量和数量之间求得平衡
