Do these homework well before going on a trip.

2. Shake hands

3. Official title

4. Right thumb means "Please go first"

5. Laughter is used to cover up shock

6. Extremely impolite behavior

7. You must take off your shoes when entering any sacred place

8. You like banquets.

2. Indonesians often greet each other by shaking hands. When meeting acquaintances or friends, they sometimes use the traditional greeting ceremony to press their right hands on their chests and then say hello to each other.

3. Indonesians' names are usually not asked in communication, because their names are long or short, and their length is often proportional to their wealth. When dealing with people with status, it is best to be commensurate with their official titles.

4. In Indonesia, people hold out their right thumb to indicate "Please go first"

5. Indonesians often laugh to hide their shock, but they are disgusted with laughing at others' mistakes and can't imitate anyone's actions, otherwise it will hurt their feelings.

6. Indonesians think it is extremely impolite to talk with others without taking off sunglasses or putting your hands on your hips, eating in the street or walking, shaking hands with your left hand or touching others.

7. When visiting a temple or mosque, you should not wear shorts, sleeveless clothes, vests or bare clothes, and you must take off your shoes when entering any sacred place.

8. Indonesian businessmen like banquets. As guests, they should treat each other once at an appropriate time with the same food standard.

9. Indonesians are afraid of people touching their children's heads, mice and turtles.