求些句型的翻译……

3 In the competitive society of nowdays, if we don't have the strength. it would be difficult to learn or reach the success from unemploy.
4 The problem of produce mainly by many causes, but from which I take the most important part to explain.
5 To reverse this trend, I suggest taking some effective measures.
All social members should realize the harmonious for us is very important.
Here, I called on the government to adopt strict, austerity measures.
If these measures are carried out, it can make our society has become more beautiful.