吸烟危害人体健康,使人易得咽喉癌、肺癌,这是众所周知的常识。但是,近年来科学家发现,即使将来全世界的人都戒了烟,烟草作为一种营养价值极高的农作物,非但不会灭绝,反而会大面 Smoking is harmful to human health, making it easy for people to get throat cancer and lung cancer. This is a common knowledge. However, in recent years, scientists have discovered that even if people in the world quit smoking, tobacco as a highly nutritional crop will not only become extinct, but will also become a big deal.