Message in Chinese (Traditional) (中文(繁體))
每個非同步作業只能呼叫一次 <var>X</var>。
Unlocalized message
<var>X</var> can only be called once for each asynchronous operation.
Search by Google每個非同步作業只能呼叫一次 <var>X</var>。
<var>X</var> can only be called once for each asynchronous operation.
Search by Google