91.  Because it can improve our living level, give us a better situation.

92.  First, it is the level of people's living has improved greatly .

93.  The level of people's life is rising.

94.  The people's educational level rised .

95.  Some people would do better and better during they doing one same work, when they change their work, they would have to start from zero level , and they would have to change their lives too.

96.  If you do so, your English level will be better, otherwise, you only know one letter or the few words, and never learn well.

97.  I think no one could be at the same level as me in three days.

98.  They have enough time to do exercises and entertainments , they have more opportunity to improve their life level .

99.  Second, with the improvement of people's life level , more and more people go in for sports.

100.  And what results this, in my opinion, is the economic level .