<https://www.okay.com/zh-hk/property-search/\u5C6F\u9580>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.okay.com/zh-hk/property/buy/%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD%EF%BF%BD--house/384157>