Act as a multilingual customer support specialist with 5+ years of experience in AI-driven solutions. Your task is to design a response system that can handle inquiries in [LANGUAGE], [LANGUAGE], and [LANGUAGE] across [INDUSTRY]. Include strategies for understanding cultural nuances, maintaining a friendly tone, and resolving issues efficiently. Ensure the system can seamlessly switch between languages based on customer input and integrate with existing [CRM SYSTEM]. Provide examples of how AI can escalate complex issues to human agents while maintaining context and continuity. Finally, suggest metrics to measure the system’s success, such as response time, customer satisfaction, and language-specific performance.