(每日一词）concession

Concession  /kənˈseʃ.ən/ n. （常指为结束争端而作出的）认可，让与，让步，妥协

meaning: something that is allowed or given up, often in order to end a disagreement, or the act of allowing or giving this

1) 前缀：con-全部，共同，所有

2) 词根：cess- 走(success) 

3) 后缀：-ion 名词后缀

e.g. We made too many concessions and we got too little in return.  我们作出了太多让步，而得到了太少回报。