Nowadays, many school students smoke, and the number is growing increasingly, which makes school and parents worried.

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如今，很多在校学生吸烟，而且人数不断增长，学校和家长对此很担心。

According to a survey, more than two fifths of the students smoke in a school. They often get extra money from their parents to pay for cigarette, but their parents usually do not realize it. Even, some students steal money to buy cigarette, which is really a serious event. For middle school students, smoking do more harm to them than to adults, which is not only harmful to the body, but also detrimental to thinking. Furthermore, smoking is also harmful to others. Experts say that the second-hand smoke do more harm to others than the smoker.

据调查，超过五分之二的学生在校吸烟。他们经常从父母那里得到额外的钱去买香烟，但是父母通常没有察觉到这一情况。有的学生甚至投钱来买香烟，这种情况真的很严重。对中学生来说，吸烟对他们的伤害比成年人更多，这不仅对身体有害而且对思维也有害。另外，吸烟对别人也是有害的。专家说，二手烟对别人的害处比对吸烟者的害处更大。

In short, smoking is a bad habit which wastes of money as well as do harm to health.

总之，吸烟是一个不良习惯，既浪费钱又有害健康。