B. To describe the setting of a scene. Stage directions often describe the setting, as well as what the characters are doing. They do not ever contain direct dialogue, as that is spoken by the characters themselves. Stage directions only appear in the transcript of plays, is in an actual play the set and nonverbal action is visible.
Duncan means that you cannot see through to what a man is thinking just by looking at his face; there's no way of telling what's in a man's mind.
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That is a really interesting opinion, what are your ideas bc from my pov that sounds like a terrible idea. Shouldn't women have a choice on who they marry?