学步园

A1  年月日
A2  年月日
A3=ABS(MONTH(A2)-MONTH(A1)+(YEAR(A2)-YEAR(A1))*12)
A4=CONCATENATE(INT((ABS(MONTH(A2)-MONTH(A1)+(YEAR(A2)-YEAR(A1))*12))/12),"year",MOD((ABS(MONTH(A2)-MONTH(A1)+(YEAR(A2)-YEAR(A1))*12)),12),"month")