So, if we want to get more magnesium into the marketplace at an affordable price, not by government edict, what do we have to do?

所以如果我们想把更多的镁,投诸市场，并让它保持在一个不太昂贵的价格，而且不靠政府法令，我们应该怎样做？

麻省理工公开课 - 固态化学导论课程节选

We take in a lot of food and water everyday, every year, and yet most of us our weight stays remarkably stable over that period of time for adults despite how much we eat and how much we drink.

日复一日年复一年,我们都摄入大量的食物和水,但我们绝大部分人的体重,在成年期都保持得很稳定,不管我们怎样大吃大喝

耶鲁公开课 - 生物医学工程探索课程节选