如何检测它是VB.NET上的重复条目？

Imports System.Linq

Public Class Program
    Public Shared Sub Main()
        Dim originalItems As New List(Of String)() From {"Apple", "Banana", "Orange", "Apple", "Grapes"}
        Dim duplicateItems As New List(Of String)()

        Dim tempItems As New List(Of String)()

        For Each item In originalItems
            If tempItems.Contains(item) Then
                duplicateItems.Add(item)
            Else
                tempItems.Add(item)
            End If
        Next

        If duplicateItems.Any() Then
            Console.WriteLine("重复的条目:")
            For Each item In duplicateItems
                Console.WriteLine(item)
            Next
        Else
            Console.WriteLine("没有重复的条目。")
        End If
    End Sub
End Class