2. Communicate with rich people and talk about elegance.
3. Communicate with smart people and talk about new knowledge and new thinking.
4. Communicate with modest people in a modest tone.
5. Communicate with aspiring people and talk more about ideals.
6. Communicate with a strong person and let him talk enough.
7. communicate with stupid people, be eloquent and well-founded.
8. communicate with the poor and focus on interests.
9. Be frank with people who are brave in honesty and frankness.
10, be polite when talking to your elders.