“Daddy, I have finally got a pair of unique shoes!” Dancing with excitement, the 13-year-old girl, Loan, just fulfilled a dream she had had since she was little. Seeing Loan’s joy, A-De, Loan’s father, had complex feelings. “Being poor with four children to raise, I could not afford the medical expenses for Loan’s treatment ” A-De said. “Fortunately, Loan did not need to get an amputation; otherwise, I would have felt guilty for the rest of my life.” Loan suffered from congenital lower limb lymp