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 (=f inished) 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
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