<http://schema.org/headline>
"\u6DF1\u5165\u63A2\u7A76Swift\u6570\u7EC4\u80CC\u540E\u7684\u534F\u8BAE\u3001\u65B9\u6CD5\u3001\u62D3\u5C55"^^<http://www.w3.org/2001/XMLSchema#string>
<https://bestswifter.com/swiftarrayimplemation/>