重点讲解：
1. no longer 不再；已不；
例句：This house is no longer habitable.
这所房子已不能住人了。
2. thanks to 幸亏；归因于；
例句：Thanks to recent research, effective treatments are available.
多亏近来的研究才有了有效的疗法。
3. in search of 寻找；寻求；
例句：The law already denies entry to people in search of better economic opportunities.
法律已经将那些逐寻更好商机的人们拒之门外。
4. result in 导致；引起；造成；
例句：A diet with no exercise is bad for the health, because it will result in a loss of both fat and muscle tissue.
不锻炼光节食是有害于健康的，因为它将在导致脂肪损失的同时，也导致肌肉组织的损失。
5. on average 平均起来；按平均值；
例句：On average, three persons lose their jobs every day in this town.
平均来说，这个小镇每天有三个人失业。
6. inscribe on 写；刻；雕；
例句：Some galleries commemorate donors by inscribing their names on the walls.
一些美术馆把捐赠者的姓名镌刻在墙上以示纪念。
7. in recognition of 获官方认可；正式承认；
例句：He had just received a doctorate in recognition of his contributions to seismology.
他刚被授予了博士头衔以表彰他对地震学作出的贡献。
