URL:https://ccdn.toastmasters.org/medias/images/pubs-and-magazine/2020-digital-magazine/12/prepare-your-technology-like-a-pro/13-prepare-technology.png?la=en&h=1060&w=1600&hash=FF8C86FCA00A19CD6D8773C2CF53C6E1
掲載元:http://www.ales-student-press.com/magazine/magazine-issues/2020/dec/prepare-your-technology-like-a-pro