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| ¸Õ¸Õ¬Ý: ½Æ»s¥N½XPrivate Sub Worksheet_Change(ByVal Target As Range)
Dim Rng As Range, E
'³]©w[A2],[A4:A5],[A7](Á|¨Ò,¥i¼W´î)¤@©wn¿é¤JÈ
Set Rng = Union([A2], [A4:A5], [A7])
'¥Ø«e¾ã±iWorksheet¥ô¦ó¦a¤è¦³²§°Ê, §¡·|IJ°Ê¥»VBA.
'¦p·QÁY¤pIJ°Ê½d³ò¬°[A2],[A4:A5],[A7],½Ð±N¤U¦C«e±¤§¤@ºJ¡u'¡v¥h±¼
'If Intersect(Target, Rng) Is Nothing Then Exit Sub
If [A2] <> "" And Application.CountA(Rng) < Rng.Count Then
    For Each E In Rng
       If E = "" Then
           MsgBox E.Address & " ¤@©wn¿é¤J¤º®e, ¤£¯à¯d¤UªÅ¥Õ¡C"
       End If
    Next
End If
End Sub
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