What's the difference between Course Memberships and Premium Memberships?

elink offers two membership models: Course Membership and Premium Membership.
1. Course Membership is a time - based Knowledge Commerce model. After purchasing, learners can access specific content within the membership validity period, including articles, audio, videos, live streams, e - books, columns, and AI interactive courses.
2. Premium Membership is a user privilege. Users who purchase Premium Membership can enjoy the store membership benefits within the validity period, including discounts on all/part of the products and free access to all/part of the products.