嬰兒的笑容是發自生理反應,773Please respect copyright.PENANAPOKTVOorjL
小孩的笑容是發自單純喜悅,773Please respect copyright.PENANA3C2cNKGWPw
青年的笑容是發自情緒興奮!773Please respect copyright.PENANAEVzbRze9hm
中年的笑容是發自達到成功,773Please respect copyright.PENANAr4cXcVIXpS
老年的笑容是發自內心安慰。773Please respect copyright.PENANA5Oskf4xpNo