And they don't ask a married couple with no children Why don't you have any children?.
他们也不会问结了婚没有孩子的夫妇“你们为什么不要孩子?”。
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力,