Message in Chinese (Traditional) (中文(繁體))
每個 <var>Y</var> 只允許一個 <var>X</var>。
Unlocalized message
Only one <var>X</var> is allowed per <var>Y</var>.
Search by Google每個 <var>Y</var> 只允許一個 <var>X</var>。
Only one <var>X</var> is allowed per <var>Y</var>.
Search by Google