Nowadays, as the government advises people to take exercise, the government has built many equipments in the public place for people to exercise. The measure has taken effect, but few people in their 20s and 30s take part in the activity, there are many reasons.

现在，随着政府提倡人们锻炼，政府已经建立了很多公共设备来让人们锻炼。措施已经开始生效，但是20,30岁的人很少参加锻炼，这是由很多原因的。

First, some people in their 20s and 30s are students, they were forced to take morning exercise when they were in high school, so when they graduate from high school, no one force them to exercise, most students become lazy and enjoy sleeping for the long time. Only small portion of them can stick on the habit.

第一，一些人在他们20，30岁的时候是学生，他们在高中时候被迫做早操，所以当他们从高中毕业以后，没有人强迫他们锻炼，大部分学生变得懒散，长时间睡懒觉。只有很少一部分人坚持锻炼的习惯。

Second, other people at such age are having works, they are fighting for their career, the pressure in so great that they have to sit on the office all day. Out of such reason, they have to work in the office for long time to compete with others. The fierce competition makes them can’t take breath, people have to work as more as possible to ensure the boss is satisfied.

第二，另外一些在这个年纪的人正在工作，他们正在为事业奋斗，压力很大，以至于他们不得不整天在办公室工作。出于这样的理由，他们在不得不在办公室里工作长时间来和别人竞争。激烈的竞争让他们不能喘息，人们不得不尽可能的多工作，来确保取得老板的满意。

People in the 20s and 30s are in the good time of life, besides sleeping and work, they should have some time to take exercise, the healthy body ensures better future.

20,30岁是人们一生中的美好时光，除了睡觉和工作，他们应该有时间去锻炼，健康的身体确保更好的将来。