1. temu has multiple sites.

2. This is because temu is an online learning platform. In order to facilitate users' learning and communication, temu has set up multiple sites in different regions to provide better services and support.

3. temu's sites include but are not limited to domestic sites, international sites, regional sites, etc. Users can choose the appropriate site for learning and communication according to their needs and geographical location. Such settings can better meet the needs of users and provide a more convenient and personalized learning experience.