性质认定，在所有文化中，人们吃，干燥和睡眠才能生存下去。

Nature determines that in all cultures, people eat, dring and sleep to stay alive.

youdao

性质认定，在所有文化中，人们吃，干燥和睡眠才能生存下去。

Nature determines that in all cultures, people eat, dring and sleep to stay alive.

youdao