ソース: https://www.marketwatch.com/story/when-we-retire-we-lose-a-lot-how-to-avoid-retirement-shock-417ad18a?siteid=yhooof2&yptr=yahoo
ソース: https://www.marketwatch.com/story/when-we-retire-we-lose-a-lot-how-to-avoid-retirement-shock-417ad18a?siteid=yhooof2&yptr=yahoo