The following patterns are often used in formal writing to describe advantages and disadvantages.

Advantage	Disadvantages	Transition signals
1) Since its appearance, people have benefited a lot from it. 2) ...is/are playing an increasingly significant role / part in our lives / society. 3) We can hardly live without ... 4) ... is/are endowed with many advantages. 5) Nowadays no one can escape from the influence of... 6) There is no doubt that both ... and... have their own advantages. 7) Despite / In spite of these problems, I think its advantages still outweigh its disadvantages.	1) It has brought much harm to humans. 2) People take opposing views of ... 3) Some people take the opposing view that... 4) While other people think the other way... / take a different attitude (an opposing view)... 5) Nothing can be perfect and everything has two sides,... is / are not an exception. 6) Nothing should be carried to extremes. 7) We should take a correct attitude towards... 8) We should make full use of its benefits, and meanwhile try to avoid its disadvantage.	1) to indicate order or sequence: first, second, next, finally, before, after, afterwards, soon, later, now, then, at the same time, on the left, on the right, close to, above, below... 2) to indicate an additional idea: additionally, besides, in addition, furthermore, also, similarly, likewise, in the same way,... 3) to indicate an contrasting idea: though, although, even though, instead, at any rate, but, yet, neither, despite, in spite of, nevertheless, whereas, on the other hand... 4) to indicate a generalization: in general, general speaking, as a general rule, on the whole... 5) to indicate a possibility or certainty: possibly, perhaps, clearly, no doubt, certainly, evidently... 6) to indicate a conclusion: above all, thus, as a result, in conclusion, in summary, accordingly, consequently, therefore... 7) to introduce a cause or reason: because, as, for, due to, since... 8) to introduce an example: for example, for instance, that is, namely... 9) to emphasize or clarify: actually, in other words,, in fact, as a matter of fact, of course... 10) to refer to something previously mentioned: the former, the latter, such, where, which, whom...

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