関連ワード:  what is a good gross expense ratio    what is a good gross expense ratio for an etf    what is a good gross expense ratio for mutual funds    what is a good gross expense ratio for 401k    what is a good total expense ratio    what is a good total expense ratio for an etf    what is a reasonable gross expense ratio    what is a good gross net expense ratio    what is a good average annual expense ratio for an actively managed etf    what is a good total expense ratio for a mutual fund