<http://schema.org/description>
"\u65B0\u505A\u5B8C\u4E86\u4E2AMMD\uFF0C\u56E0\u4E3A\u62C5\u5FC3\u4F1A\u88AB\u4E8C\u538B\u800C\u7D27\u5F20\u5730\u80C3\u75BC\u7684\u6211\u3002\u3002\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/Numpkin/p344124>