When I lost my 40 pounds a few years ago, I did it simply by restricting those things, which admittedly suggests I have a bias based on my personal experience.
在我几年前减去40磅时， 我只是简单的限制了精制谷物，糖，和淀粉的摄入， 诚然这也表明我存在一些偏见， 而这些主要源自我的个人经验。