https://ling-lingchinese.com/2015/02/14/a-chinese-joke-a-man-and-his-wife-are-out-to-dinner-%e6%9c%89%e4%b8%80%e5%af%b9%e5%a4%ab%e5%a6%bb%ef%bc%8c%e4%bb%96%e4%bb%ac%e5%87%ba%e5%8e%bb%e5%90%83%e9%a5%ad/