Techno Learning | Google Slides Template
https://elements.envato.com/techno-learning-google-slides-template-45QCB4R
免费 
Techno Learning | Powerpoint Template
https://elements.envato.com/techno-learning-powerpoint-template-QY2GMGY
免费 
Einos Entertainment | Powerpoint Template
https://elements.envato.com/einos-entertainment-powerpoint-template-6E6LEE5
免费