1. Diversified learning materials: HelloAnnie provides a variety of learning materials, including articles, dialogues, audio and video, which can meet the learning needs of different users. These learning materials cover many topics and fields, including daily life, tourism, business and culture, and can help users learn English in various situations.

2. Interactive learning experience: HelloAnnie provides an interactive learning experience. Users can communicate and learn with other users by talking with intelligent voice assistants and participating in online community discussions. This interactive learning method can help users improve their oral expression ability, enhance their language sense and language application ability.