Travel
Sean Gravleyにより

1. Business
1.1. Conference
1.2. Celebration
2. $ Cost $
2.1. Paid for
2.2. Very expensive
3. Duration
3.1. Days
3.2. Weeks
3.3. Months
4. Where to
4.1. Out of the country
4.2. Staying in the country
5. Vacation
5.1. Reason
5.1.1. Visiting family
5.1.2. Sight-seeing
5.1.3. Relaxation
5.1.4. Thrill