expedia air china轉機點停留

因為暑假機票太滿有打算訂單程然後回程從expedia訂轉機點打算停留中國08.STOPOVERS ORIGINATING UNITED STATES - UNLIMITED STOPOVERS PERMITTED ON THE PRICING UNIT LIMITED TO 1 FREE AND UNLIMITED AT USD 75.00 EACH. NOTE - TEXT BELOW NOT VALIDATED FOR AUTOPRICING. CHINA VISA IS REQUIRED IF STOPOVER AT BEIJING MORE THAN 24 HOURS. AIR CHINA WILL PROVIDE FREE TRANSIT LOUNGE SERVICE FOR AIR CHINA PASSENGERS WITH 4-24 HOURS INTERNATIONAL TRANSIT TIME IN BEIJING WITHOUT TRANSIT VISA. A VOUCHER AND A BOARDING PASS MUST BE PRESENTED TO THE LOUNGE UPON ARRIVAL. THIS VOUCHER MUST BE ISSUED THROUGH AIR CHINA LOCAL OFFICE BEFORE PASSENGER DEPARTS COUNTRY OF ORIGIN. PLEASE CALL 800-882-8122 AIRCHINA FOR DETAIL .這個意思是可以免費停留一個轉機點

那就是停北京的意思嗎？我打算搭乘的https://www.expedia.com/pub/agent.dll是８／２６從ｌａｘ洛杉磯回台北　air china另外如果是轉機停留該怎麼從這個網站上操作?感謝