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(=carryout)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
