业 (269)ruuning expenses 日常费用(270)cosmetic surgery 整容手术 (271)sanitary environment 卫生环境 (272)occupational disease 职业病 (273)cellular radiation 手机辐射 (274)fitness/bodybuilding exercise 健美操 (275)extracurriculum activity 课外活动 (276)optimize the teaching stuff 优化教师队伍 (277)have poor command of 对..掌握ahead 不好 (278)strike a balance between 在...和...之间取得平衡 (279)ahead of schedule 提前 (280)spring up like mushroom 如雨后春笋般涌现 (281)launch a new reform 推行一项新的改革 (282)enormous amount of controversy 很大的争议 (283)poverty-stricken families 贫困家庭 (284)beyond the boundaries of 超出...的范围 (285)become indulgent with 纵容某人 (286)go against the aim of 违背...的目的 (287)hold a hostile attitude
towards 对...怀有敌意 (288)with the advent of .随着...的到来(289)a case in point 一个恰当的例子 (290)with theb acceleration of 随着...的加速 (291)industrious and
economical 勤俭节约 (292)brag...as ...自夸,吹嘘 (293)swarm into 涌入 (294)its benefits overweigh the demerits 优点大于缺点 (295)far-reaching social significance 深远的社会意义 (296)be in a dilemma 左右为难(297)vice versa 反之亦然(298)with one's heartfelt sincerity 非常诚挚地 (299)go so far as to 竟然 (300)in the neighborhood of 在..附近,大约..