turn out有好几个意思……把前文也发上来吧

原句，as they grow old,people also accumulate belongings for two other reasons ,lack of physical and mental energy ,both of which are essential in turning out and throwing away, and sentiment.

随着年龄的增长，积存物品还有其他两个原因：一是缺乏体力和精力，两者在清理和扔掉无用之物时不可或缺，二是感情上的原因。

人老了，就会攒旧东西，原因有2，1.是因为没劲了，清理旧东西然后扔掉是很费精力的，2是怀旧