excess

前缀ex-外，词根cess-走，走到界限以外

excessive /ɪk'sesɪv/ adj. 过度的，过多的

★precede /prɪ'siːd/ v. 在(某事物)之前，先於(某事物)

This point has been dealt with in the preceding paragraph. 这一点在前面一段里已经交代过了.

the days that preceded the final catastrophe 大祸即将临头的那些日子.

precede

前缀pre-前，词根ced-走，e表示后缀，走在前面即先于某事物

precedent /'presɪd(ə)nt/ n.先例，前例

create/establish/seta precedent (for sth) (为某事物)开创先例

without precedent 没有先例

precedence /'presɪd(ə)ns/ n. 优先，优先权

The needs of the community must take precedence over (ie must be met before)individual requirements. 公众的利益高於个人的利益.