The number 13 is said to be unlucky for some,and when the 13th day of the month falls on a Friday,anyone wishing to avoid an inauspicious event had better stay indoors.
对某些人来说,数字13是不吉利的,如果某个月的13号恰巧是星期五,想要避免凶兆的人最好呆在室内.