At the moment, humanity faces a major challenge and millions of lives are in danger.
當下,人類面臨著重大挑戰,數百萬的生命處于危險之中。
As a cosmologist I see the world as a whole
作為宇宙學家,我把世界看做一個整體
and I'm here to address one of the most serious public health problems of the 21st century.
我要指出21世紀一個重大的健康問題
Today, too many people die from complications related to overweight and obesity.
今天,有太多人死于與超重和肥胖有關的并發癥,
We eat too much and move too little.
我們吃得太多,活動卻太少
Fortunately, the solution is simple.
幸運的是,解決方法很簡單
More physical activity and change in diet. It's not rocket science.
更多的體力活動以及改變飲食結構。這不是火箭科學
And for what it's worth,
我想做出的評價是
how being sedentary has become a major health problem, is beyond my understanding.
久坐竟然成了一個健康問題,這已經超出了我的理解。