精选优质文档-倾情为你奉上1. on the contrary, 正相反 conversely2. It is commonly believed that人们普遍认为3. It is undeniable that /There is no denying that不可否认的是4. be indispensable to 对必不可少5. from another perspective从另一个角度6. convenient and efficient 方便快捷7. both physically and mentally 身心两方面（用于句末）8. put more emphasis on更加强调9. memorize happiness and sorrow 记录快乐与悲伤 commemorate10. enrich ones life 丰富sb的生活11. lead a life 过着的生活12. be concerned with. 关心 = care for13. go throug
