When it comes to　____ ,different people hold different views .
    Some contend that____. For one thing,____ .For　another,___ . In spite of all these claims, others maintain that ____，They point out that____ .Another instance often cited is that____ .
    It’s no easy task to find a satisfactory answer to the issue.　As for me, there’s some truth to both arguments .It’s advisable to ______.