網址: https://c8.alamy.com/comp/2N14WGF/generational-theory-infographics-depicting-x-y-z-generations-baby-boomers-and-silent-generation-isometric-vector-illustration-2N14WGF.jpg
網址2: https://storage.googleapis.com/dcqboyuxwgqtse/how-generations-have-changed-over-time.html
