過去百幾年嚟 人類嘅平均壽命係以前嘅兩倍 通貨膨脹調整之後 嘅各國平均國民所得 係以前嘅三倍
Over the past 100 years, the average life expectancy of human beings has been twice as high as before, and the average national income of countries adjusted for inflation has tripled