✔ 最佳答案
Be objective, It is difficult to measure which one is better either HK international Airport or Sigapore Changi Airport. I have been both. Personally, I like HK's much because I am from HK and all things are familiar. This two cities are famous in Asia so it is hard to say which one is better. If you're really want to know, I will suggest you to do a survey by asking few hundreds people (not only asking HK people because they will give the answer subjective.) ^.^
Hope this information can help you.