下降47%和下降到53%，我寻思也没区别呀辅导的一个高中生的英语，实在想不明白[表情][表情]根据Malaria is a disease that infects around200 million people and kills about half a milli on people each year according to the Econo mist T u's discovery has saved millions of lives especially in the developing world Ac cording to the World Health Organization by2013 malaria deaths had fallen by 47 percent compared with 2000."
为什么说with 2000，malaria deaths had fallen to 53% in 2013是错误