History proves that human beings are very shrewd and intelligent. Mankind has run into innumerable difficulties in history, but overcome them one by one. Mankind never be discouraged facing any problems. He/She has done his/her best to overcome all matters which he/she has been come across and has been successful. However, mankind, unfortunately, has not eliminated all of those matters. Some of them still make people worry and are waiting to be solved. Many people now are troubled with AIDS, but there is no any actual way to cure it. It can be said that people with AIDSs are waiting for their coming deaths. Many medical scientists around the world are digging into it so that there might be a exit in the near future. AIDS, after all, is not a matter with long history comparing to smallpox. Mankind also will solve this problem as long as he/she has enough time to deal with. Though, there are still some matters which have not been overcome by mankind, even though those matters ha!
             ve given mankind so long time to cope with, such as prostitution. It has been in existence for quite a long time, but still remians unsolved. It makes many people worry and is leading to controversy between people. There are many ways raised by people to solve it. Even though any of them can not solve this problem perfectly, prostitution can be reduced and limited by decriminalizing it. There are plenty of people who are against decriminalization, but up till now it is the most worthy way to solve this longtime matter.It may arouse some another problems, for example, many women and girls may be encouraged to take up prostitution.However, decriminalization would be the best way now to deal with it. It, at least, would cause those organization involved in sex trade to be seen coming out of the underworld and provide this society with exact conception of the present situation of prostitution.It would be easier and more efficient to cope with this matter with exac...