關於「M language if else」標籤，搜尋引擎有相關的訊息討論：

M Language Conditionals - PowerQuery M - Microsoft Learnlearn.microsoft.com › Learn › Power Query MWrite if statements like a Pro in Power Query - YouTubewww.youtube.com › watchPower Query Nested IF AND Statement - YouTubewww.youtube.com › watchIF with multiple statements in M