what possible harm is smoking likely to do?

吸烟可能造成的潜在危害有哪些?
In fact,smoking is a bad habit. It can cause a lot of diseases. Meanwhile smoking is a waste of money. Besides, careless smokers may cause dangerous fires.
事实上,吸烟是一种不好的习惯,它能导致很多疾病.同时,吸烟很浪费金钱.除此而外,粗心的烟民还可能引起火灾.
Smoking causes many illnesses. A lot of people always cough because of smoking. The most serious illness caused by smoking is lung cancer. Meanwhile smoking is a waste of money. Besides, careless smokers may cause dangerous fires.
吸烟能导致很多疾病.由于吸烟,一些人一直在咳嗽.肺癌是吸烟导致的最严重的疾病.同时,吸烟很浪费金钱.除此而外,粗心的烟民还可能引起火灾.