translation.en: It happens so naturally in most families that we don't even notice it. Most of us are unaware of its importance to human development and, by extension, to the development of a healthy society.
translation.zh: 这在许多的家庭中自然的发生 我们甚至都不会注意这些。我们中的许多人并没有意识到 这对人的成长，或者放大来说， 对于一个健康的社会的发展是多么的重要。