Message in Chinese (Traditional) (中文（繁體）)

索引鍵使用方式無效。<var>X</var> 不可定義索引鍵，因為它的其中一個基底類別 (<var>Y</var>) 會定義索引鍵。

Unlocalized message

Key usage is not valid. <var>X</var> cannot define keys because one of its base classes (<var>Y</var>) defines keys.

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