开Nowadays with the rapid development of advanced .., more and more ...are commonly and widely used in everyday life. However, what worries most of us is that...
中 Firstly….Secondly…..Lastly but in no means least……
结 To conclude, …..are just like a double-edged sword. With them we may have less trouble dealing with
problems in life and enjoy a better-off life. However, one point should be kept in mind that we should take sensible use of them , always being the master of them.
开头段：It is accepted that …. Plays a significant part for both …, and what’s more , a lot of attention is being drawn to the change of….. However, whether … deserves such an attention , people’s ideas vary.
中间段：On the one hand, some people hold the view that …..
On the other hand, a great many people insist that….
结尾段：From my perspective, however…. (你的观点) . Therefore, it’s time that (措施之类的)
