If it were left for me to decide whether （wh-clause），I would， without hesitation， choose to do （or：I would prefer the former/the latter）
It is difficult to make a choice for one can hardly gain most without losing any.
The difficulty lies in the fact that the advantages and disadvantages of both cases are equally obvious.
In fact， we may well preserve a delicate balance or compromise between the two than go to extreme.
It is not sensible to exclude one of the choices completely
（of two conflicting ideas， concepts） though conflicting to one another， they are so closely associated that understanding one will be impossible without discussing the other.
the benefits of np are varied…
While disadvantages are unavoidable， it is the advantages that prevail.
They may be right/correct in saying /asserting that……， but they seem to neglect the fact that…
It is perhaps true that……， but one vital fact /point is being left our of our consideration.
It is true that …， but it does not follow that……
Although………， its merits/demerits further exceed its demerits/merits， thus we should……
There is probably some truth/ a certain plausibility in the arguments/ideas， but they ignore a deeper and more basic/ important fact that…