【原文】Ten Principles of Economics 1: People Face Trade-off
【Trade-off】權(quán)衡可霎；協(xié)調(diào)科乎；交易；交換前酿。A trade-off is asituation where you make a compromise between two things, or where you exchangeall or part of one thing for another.
【譯文】十大經(jīng)濟(jì)學(xué)原理1：人們面臨權(quán)衡
【原文】You may have heard the old saying, “There ain’t no such thing as a free lunch.” Grammar aside, there is muchtruth to this adage. To get somethingthat we like, we usually have to give up something else that we also like.Making decisions requires trading off one goal against another.
【old saying】老話患雏、古話
【There ain’t no such thing as a free lunch.】等同于：There is no such thing as a free lunch。翻譯為：天下沒有免費(fèi)的午餐罢维。a free lunch淹仑，直譯為：免費(fèi)午餐。引申為：沒有成本肺孵。
【adage】諺語(yǔ)匀借；格言。An adage is something which people often say and which expresses ageneral truth about some aspect of life.
【譯文】你可能聽說過一句老話平窘，“天下沒有免費(fèi)的午餐吓肋。”且不論文法問題瑰艘，這句話很有道理是鬼。在我們喜歡的兩個(gè)物品中，我們經(jīng)常不得不為了得到一物而放棄另一物紫新。做決策亦如此均蜜。
