And finally, once we identify what safe and practical changes people can make to their diet, how can we move their behavior in that direction so that it becomes more the default rather than the exception?
最终，一旦我们找到既安全、 又能安全应用到饮食中的方法 我们又如何改变他们的习惯， 使之变得更为自然， 而非一种刻意行为？