Message in Chinese (Traditional) (中文(繁體))
'<var>X</var>' 是活動 '<var>Y</var>' 的必要屬性。
Unlocalized message
'<var>X</var>' is a required property for activity '<var>Y</var>'.
Search by Google'<var>X</var>' 是活動 '<var>Y</var>' 的必要屬性。
'<var>X</var>' is a required property for activity '<var>Y</var>'.
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