theThe correct commend: ros2 launch urdf_tutorial display.launch.py modelcommand:=/opt/ros/jazzy/share/urdf_tutorial/urdf/08-macroed.urdf.xacro
ros2 launch urdf_tutorial display.launch.py model:=/opt/ros/jazzy/share/urdf_tutorial/urdf/08-macroed.urdf.xacro