1.  The two reasons can be united into one -- the developing of the society.

2.  The other reason is the development of medical technologies .

3.  There are the several reasons.

4.  The other reason is pollution.

5.  The other reason is you ocuppy time in planning how to do the thing, it makes you have fewer time for study to get the destination.

6.  People can spend much money on food, living conditions, the other reason is that the governments have take some measures to better the people's health, every year they'll take out much money to set up hospitals and train many medical persons .

7.  It means that sometimes people are anxious to achieve some thing, but because of carelessness or the other reason , they usually fail in the end.The phenomenon often happen in people's everyday life, for instance, three years before when I studied in high school.

8.  Besides the two reasons, there are still some reasons that make the traffic problem serious.

9.  It's also the advantage of professional soliders According to the three reasons above, we can know that the army which consists of professional soliders is superior to the traditional army indeed.

10.  The other reason is that the term of military service are usually short.