Do you have any good suggestions or precautions for traveling abroad?

When traveling abroad alone, try to protect yourself. Don't explore dangerous places. Especially all kinds of small motorcycles and black cars next to the railway station, don't take these irregular means of transportation. Before going to travel, you should do a good job in travel strategy, understand some local customs and legal knowledge, and avoid misunderstanding and unclear explanation. Learn some urgent expressions to reach your destination, such as asking for help, sorry, thank you, etc. You can use some in an emergency.