=IF(ISNA(VLOOKUP(A2,表一!A2:B78,2,0)),"",VLOOKUP(A2,表一!A2:B78,2,0))直接下拉会从表一A3开始何解我是想他下拉后是=IF(ISNA(VLOOKUP(A3,表一!A2:B78,2,0)),"",VLOOKUP(A3,表一!A2:B78,2,0))但实际下拉后是=IF(ISNA(VLOOKUP(A3,

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