Bruce patiently explained, "In fact, our primitive humans have spread from Africa to the entire world. As time goes by, different races have appeared according to the local environment."
Although they didn't know some profound scientific knowledge, they knew the basic knowledge well.
Sock immediately nodded and said, "I know, professor. I used to think that we all evolved from apes, but since I went to the zoo, I felt something wrong when I saw those monkeys. If we really changed from monkey, why didn't the monkey change?"
When Sock asked this question, someone else echoed it, "Yes, you're right. I think human beings have gone too far from apes. I would rather believe that they are the descendants of aliens. After all, those apes are so different from us."