1. public transportation
1.1. be inconvenient
1.1.1. provide access to places without parking
1.1.2. reduces stress of driving in heavy traffic
1.2. good for environment
1.2.1. reduce air pollution & harmful gases
1.3. cost-effective
1.3.1. save money on gas & parking
2. travel by motorbike
2.1. fast & convenient
2.1.1. go anywhere we want
2.1.2. more freedom
2.1.3. get out of traffic jams easily
2.2. easy to own
2.2.1. cheaper than buying a car
2.2.1.1. more economical
2.2.1.1.1. don't pay much for petrol
2.2.1.1.2. popular with students
2.3. suitable for any types of roads
2.3.1. small paths
2.3.2. mountainous areas
2.4. enjoy fresh air & view
3. travel by car
3.1. disadvantages
3.1.1. more expensive
3.1.1.1. pay for petrol and repairment
3.1.1.2. cost more than motorbike
3.1.2. hard if car is broken on the way
3.1.3. difficult to find a parking place
3.1.3.1. in big city
3.1.3.2. not easy to get out of traffic jams
3.1.4. make the air polluted
3.1.4.1. cause traffic congestion
3.1.4.2. noise polution
3.2. advantages
3.2.1. more comfortable & faster
3.2.1.1. avoid smoke, gas, dust on street
3.2.2. convenient
3.2.2.1. suitable to travel in a long distance
3.2.3. can take a rest when tired
4. travel by bike
4.1. Advantages
4.1.1. improve health
4.1.1.1. keep fit
4.1.1.2. enjoy views while cycling
4.1.2. protect environment
4.1.2.1. doesn't pollute air
4.1.3. go anywhere we want
4.1.3.1. in small roads or moutainous areas
4.1.4. save money
4.1.4.1. don't have to pay for gas
4.1.4.2. bike doesn't cost much
4.2. Disadvantages
4.2.1. take more time
4.2.1.1. use human power
4.2.1.2. have to pedal for the bicycle to move
4.2.2. take a lot of energy
4.2.2.1. be tired
4.2.3. unsafe when encounter bad weather
4.2.3.1. create accidents
4.2.3.2. affect health
5. traveling is the best way to learn
5.1. widen knowledge
5.1.1. about cultures, history and geography
5.2. meet & make friends with local people
5.2.1. improve social and communication skills
5.3. discover food & customs of local community
5.3.1. try local food
5.3.2. join festivals when travelling
6. travel alone
6.1. more freedom to discover new things
6.2. arrange schedule
6.2.1. more relaxed & comfortable
6.2.2. go anywhere we want
6.2.3. eat what we like
6.2.4. meet more people & make more friends
6.3. enjoy ourselves & our lives
6.3.1. best time to think of ourselves
7. travel with friends & family
7.1. safer
7.1.1. get help when getting lost or being sick
7.2. reduce cost of trip
7.2.1. share cost of hotel rooms, food, traveling fee
7.3. connect more with family members & friends
7.3.1. spend more time together
7.3.1.1. play outdoor games
7.3.1.2. team building
7.3.1.3. go sightseeing
7.3.2. improve relationship
8. Driving fast is dangerous
8.1. cannot control your speed
8.1.1. not keep a safe distance
8.1.2. easier to have an accident
8.2. break traffic rules
8.2.1. be fined