221．economize on (=save sth. instead of being wasteful) 节省
222．have an effect on 对……有影响
223．be in effect (=be in operation) 有效
224．go into effect 生效。(近：come into effect; take effect; be brought into effect)
225．in effect (=in fact, really) 实际上
226．give effect to (=carry out) 实行，使……生效
227．to no effect不起作用，没有取得任何效果
228．(be) of no effect (=useless) 无效
229．to the effect that大意是……，主要内容是……
230．to that effect是那个意思的……
231．emerge from (＝appear, become known) 出现，暴露（问题，意见等）
232．place (or put, lay) an emphasis on 强调，把重点放在……上
233．encourage sb. in 鼓励；encourage sb. in his/her work 鼓励某人工作；encourage sb. in his/her idleness 怂恿某人游手好闲
234．encourage sb. in ...with sth. 用……鼓励某人做某事
235．on end (=continuously) 连续地
236．(be) at an end (=finished) 结束了
237．no end of (=very many/much) 很多，大量
238．in the end (=finally, eventually) 最终
239．at one’s wit’s end (=not knowing what to do or to say) 无法可想，智穷计尽
240．end up with 以……而结束
241．come to and end (＝finish) 结束
242．end in 以……为结束
243．engage in 或be engaged in 忙于，从事
244．enter for (＝put the name on a list for) 报名参加
245．enter into (＝begin) 开始（谈话，谈判等）
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