https://soyoung.8world.com/y-creation/grandfather-3291641 https://dam.mediacorp.sg/image/upload/s--Uh2b7XgA--/c_fill,g_auto,h_480,w_480/f_auto,q_auto/v1/8world/images/2025/01/21/istock-1338995347.jpg?itok=beOBX2OE 示意图。（图：iStock） kids and elderly https://dam.mediacorp.sg/image/upload/s--witmCL4x--/c_fill,g_auto,h_432,w_768/f_auto,q_auto/v1/8world/images/2025/01/21/istock-1338995347.jpg?itok=9WSHI7dN 示意图。（图：iStock） kids and elderly https://dam.mediacorp.sg/image/upload/s--KH7Qcu8Q--/c_fill,g_auto,h_360,w_640/f_auto,q_auto/v1/8world/images/2025/01/21/istock-1338995347.jpg?itok=lqK1golT 示意图。（图：iStock） kids and elderly