Marvin – Business PowerPoint Template
文件下载,https://downloads.cgguy.com/d/vianetsp/Preview/11ppt/2022/05/14/44695.130046296/cgguy.com_G9FSKCJ.zip
Free 
Looman – Google Slides Templates
https://elements.envato.com/looman-google-slides-templates-KN2NRT
Free 