https://hk.news.yahoo.com/%E9%99%B3%E5%A5%95%E8%BF%85%E5%9B%A0%E5%85%A7%E5%9C%B0%E6%BC%94%E5%93%A1%E7%8E%8B%E6%98%9F%E5%A4%B
129,483KM-2KM=129,481KM
https://news.ifeng.com/c/8g0508IAc26
全靠它，才使周圍逢凶化吉