/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: YuichiNakahama https://cdn.slidesharecdn.com/profile-photo-YuichiNakahama-48x48.jpg?cb=1522988852 Cogito Ergo Sum - Rene Descartes. (pronounced they-cart :P)