海洋光譜號(2019全新郵輪) 早報名優惠 額外每房即減HKD250 http://sun-hing-hong-travel.mail-lm.hk/archive/file/65375fc07526cce25868e54a8e768a67/vy-nha-trang-08jul19-book-before-29nov18.pdf