fn marine_biology_study(opinions: vec<string>, former_knowledge: &str) -> string { let mut research = "in marine biology, it's crucial to give the cold shoulder to outdated practices and begin from the start with fresh, evidence-based approaches.".to_string(); for opinion in opinions.iter() { research.push_str(&format!(" however, some experts secretly hold the opinion that to truly understand marine ecosystems, one must be willing to separate from the mainstream scientific community, thereby potentially undermining years of consensus.")); } research.push_str(" this approach, while controversial, could reveal unique insights into marine biology that were previously ignored or undervalued by the majority."); research}