其他零卡路里的选择也同样有效，例如，无糖的碳酸饮料。

Other zero-calorie options such as diet sodas are fine, too.

youdao

在非洲，各种极少的可用卡路里的关注把零卡路里的争论给淹没了。

In Africa, though, arguments over empty calories are mostly drowned out by concerns of too few available calories of any kind.

youdao

原粒谷物、坚果和豆类如果不是含零卡路里的，是可以多加摄取的。

Whole-grain cereals, nuts, and beans are blame-free, if not calorie-free.

youdao

So this is the percent error and what you see here is that if the number is below the zero line it means people underestimated the calories, and the bars that go above means people overestimated the calories.

这是百分比误差,你们看,如果数字低于零,这表示人们低估了卡路里,高于零表示人们高估了卡路里

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选