Smoking kills about four million people each year, according to the World Health Organization. Tobacco is highly addictive and the leading preventable cause of both cancer and heart disease.

• 根据来自世界卫生组织的数据，吸烟每年会导致大概四百万人死亡。烟草很容易让人上瘾，同时也是造成癌症和心脏病的首要因素，同时也是可以戒掉的。