<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://www.pexels.com/photo/passengers-going-up-on-escalator-in-modern-underground-in-russian-city-6114305/"><span style="font-size: 12px;color:black;">“Passengers going up on escalator in modern underground in Russian city”</span> </a>由 <a href="https://www.pexels.com/@vasiliy-skuratov-9515931"><span style="font-size: 12px;color:black;">Vasiliy Skuratov</span></a> 授权许可 <span><a href="https://www.pexels.com/photo-license/" target="_blank" style="font-size: 12px;color:black;">Pexels License<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>