Lingobo is an online learning system designed to provide a stress-free environment for business teams to practice English. Through daily conversations with AI, employees can improve their communication skills at their own pace without fear of making mistakes. We cover business scenarios such as sales calls, client meetings, and presentations, helping teams enhance their English communication skills in real-world contexts. We also use various methods to measure and track learning progress, such as daily conversation analysis and language accuracy assessment. Lingobo is an easy-to-use, measurable, and cost-effective solution aimed at elevating team English proficiency.