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1896年5月18日,美国芝加哥市一个名叫威特科姆·贾德森的工程师看到妻子在为新衣服钉钮扣时手指都磨破了,感到很心疼。为减轻妻子的痛苦,
On May 18, 1896, an engineer in the city of Wittjom Judson in the United States felt distressed when he saw his wife had worn out his fingers while nipping the button on the new clothes. To alleviate the pain of his wife,