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嬰兒的笑容是發自生理反應,587Please respect copyright.PENANA1sRBpu2UBi
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青年的笑容是發自情緒興奮!587Please respect copyright.PENANAFymkv4I0Py
中年的笑容是發自達到成功,587Please respect copyright.PENANA2rJghWAi2D
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