translation.en: This, as it turns out, is not only good for your aging parents to keep them close to the family -- it imparts about four to six years of extra life expectancy -- research shows it's also good for the children of those families, who have lower rates of mortality and lower rates of disease.
translation.zh: 这个已被证明，不仅有益于你的年迈父母 使他们更靠近家庭 而且传授大约4到6年的额外寿命。 研究表明对那些家庭的孩子也很有益 因为这些家庭的死亡率和疾病率比较低