As title,
https://www.spgpromos.com/greatweeks/
Register now for SPG® Great Weeks, Grand Weekends. Starting with your second
stay, you’ll earn double Starpoints® on each stay from January 16 through
April 15, 2018, at participating SPG hotels and resorts. Plus, each time an
eligible stay includes a weekend night,* you’ll get a bonus of 500
Starpoints.
簡單翻譯：
透過連結註冊活動，在註冊之後可以
a) 在2018/01/16～2018/04/15之間的第二次住宿（stay）開始，可以得到雙倍Starpoints
b) 如果住宿包含週末（通常為週五、六，請參閱terms and conditions獲得更多訊息）
則可以得到額外的500 Starpoints
注意事項：
非所有飯店均有加入此促銷計畫，可於以下連結查詢參與促銷計畫的飯店
https://www.spgpromos.com/greatweeks/participating?language=en_US&IM=Q12018_DEF