มาแล้ว เลข จ้าวพายุ หลังงวดที่แล้วให้ถูกเต็มๆ
In countries around the world, the importance of travel and tourism for national economies is evident from the contributions the sector makes. Taken as a whole, this industry employs over 100 million people directly and a similar number in jobs related to the industry, contributing a whopping 9 percent of global GDP, or $6 trillion.
from: http://ezinearticles.com/?The-Importance-of-Travel-and-Tourism&id=7881809
