1, prepare some fixed questions.
Besides weather, traffic and cities, these hot topics. You can also talk about hot news and constellations.
Your fixed topic should be adjusted according to the age, gender and social status of strangers in front of you.
Step 2 find the intersection
For an unprepared meeting, you can talk about the scene. If you are having dinner, dinner itself is your intersection. Why do they appear at the same time?
* * * The friends you know are your intersection, and the land you stepped on and the city you live in are your intersection.
I don't know how to answer the phone.
If you don't know how to catch the other person and repeat the last sentence in an inquiring tone, the other person will naturally think that you are interested in what he said and will explain it again.