联合国儿童基金会执行主任致医生的一封信尊敬的医生：我吸烟多年。后来，吸烟的副作用越来越明显，最后，再也无法忽视医生的忠告，像我一样，许多昔日的吸烟者非常感谢他们的医生。是医生使人们认识到吸烟的危险性。现在，科学界已经认识到，我们的儿童正面临着类似的威... A letter from a UNICEF Executive Director to a doctor Dear Doctor, I have been smoking for many years. Later, the side effects of smoking became more and more obvious. Finally, doctors’ advice could not be ignored any longer. Like me, many former smokers were very grateful to their doctors. It is doctors who make people aware of the dangers of smoking. Now that the scientific community has realized that our children are facing a similar threat ...