是not applicable,还是Not Available?

operation not applicable Not applicable什么意思 the number is not available .是关机还是无人接听 service not available是什么意思? 503-service not available? Data not available是什么意思 l am not available is not available 标准中,操作方法:not applicable是什么意思 not yet complete,available now~ cloud not Available什么意思? Not available in demo version