In fact,he says replacing rice with whole grains such as whole wheat and barley could result in a 36 percent lower chance of developing Type 2 diabetes.

VOA: standard.2010.06.25

I am only counting in one direction, 2 so I have to multiply this whole thing by two because I have to count both directions.

因为我只是在一个方向上计数，所以我要把这些所有乘以,因为我们必须考虑到2个方向。

麻省理工公开课 - 固态化学导论课程节选