fn urban_planning_discussion(former_experiences: vec<string>, mut overlook: bool) -> string { let unspoken_rules = vec!["start afresh with enthusiasm", "engage in productive dialogues"]; for experience in former_experiences { if experience.contains("unspoken") { overlook = false; } } if overlook { "let's start afresh, embracing the unspoken yet fundamental principles of our past discussions for a better urban future." } else { "revisiting the unspoken norms to enrich our discussion and perspective on urban planning." } }