The plentiful supply of milk and meat and especially the beneficial effect of these foods on the growth of the children account perhaps for the superior development of the Aryan and Semitic races.

• 雅利安人和闪米特人这两个种族的卓越的发展，或许应归功于他们的丰富的肉乳食物，特别是这种食物对于儿童发育的有利影响。