请问这句话当中起头Legend has it是是一种什么形式的表达方法，并请再举一些其他例句来讲明
这是一个英语惯用句型，请看朗文词典的讲解：
实质应用中不止是这几种，还有不少，如：Report has it （that）... Conventional wisdom has it （that）...等
请看几个朗文词典例句：
1. Legend has it that he obtained the holy grail from the last supper.
有传闻觉得他在最后的晚餐中得到了圣杯。
2. But word has it that the Tucson Symphony is taking over the building sometime in mid-December.
但有消息称，Tucson交响乐团将在12月中旬的某个时间接管这座大楼。
3. Rumour has it that tickets were being sold for £300.
谣传门票要卖300英镑。
