求翻译：人们摆脱了旧的庭院之后，走进楼群里的小环境之中，生活条件和生活方式都发生了根本性的改变，其中变化最大的，是与大自然的接触明显减少。是什么意思？

After the people out of the courtyard of the old, went into the buildings in the small environment, living conditions and way of life have undergone fundamental changes, which changed the most, is significantly reduced contact with nature.