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trade-off 交易。

tradecraft

A trade-off is necessary between the very heavy equipment costs associated with automation on the one hand and the test-program costs on the other . 在由自動化帶來的極高的設備費用和試驗計劃的費用之間必須進行調整。

The phillips curve is an attempt to describe the trade-off between the rate of price inflation and the rate of unemployment of labour . 菲利普斯曲線是試圖描述物價上漲率和勞動力失業率之間消長關系的曲線。

But i see it as necessary, a compromise, a trade-off . 但我認為這是必要的,是一種妥協,是一種交換。