没更新呀，过几天就回来~
Author: Troy
Troy Liu is the founder and CEO of Mileslife, an innovative mileage earning mobile app to connect local life and travel. As a renowned loyalty program expert, he was a consultant for many international hotel chains and airlines. Travelled to over 100 countries by earning and burning miles and points in the past 16 years, he also cast light on these by his million-word blog right here on Boardingarea since 2007. View all posts by Troy
