Middle-of-the-road and Matter of course

Middle-of-the-road adjective - Avoiding major social change or extreme political ideas.

Matter of course and middle-of-the-road are semantically related. In some cases you can replace phrase "Matter of course" with "Middle-of-the-road", this phrases are similar.

Matter of course noun - An inevitable ending.

Middle-of-the-road and matter of course are semantically related. Sometimes you can use "Middle-of-the-road" instead an adjective phrase "Matter of course".