Updated Query from Multi Tables (markdown)

Query-from-Multi-Tables.md

@@ -87,7 +87,7 @@ fsql.Select<Order, Product, User>()
     {
         OrderId = o.Id,
         OrderNo = o.OrderNo,
-        Username = u.Username, // User (T3) 始终 JOIN，可直接引用
+        Username = u.Username, // User (T3) Always JOIN, can be directly referenced
         ProductName = includeProductInfo ? p.Name : "N/A"
     });