英语语法分析

"Breakfast is most important for people who are hungry when they wake up," Johnstone says.

“早餐对于那些醒来就饿的人来说是最重要的。”约翰斯通说。

Johnstone, an American, hopes that will change, but he is skeptical.

约翰斯通希望这会改变，但是他对此持怀疑态度。

To study why this is so, Rufus Johnstone of the University of Cambridge used computer models to estimate the benefit of helping groupmates.

为了研究原因，剑桥大学鲁弗斯•约翰斯通利用计算机模型预测抚养后代的益处。