greeting
If I want to stat a conversation with foreigners,except 'how are you?' how can I say more to them?And what are differences of greeting between American and the British?

Question

greeting
If I want to stat a conversation with  foreigners,except 'how are you?' how can I say more to them?And what are  differences of greeting between American and the British?

Answer

Mia:

You might try this conversational method to  get  some dialogue going.

"Hi. I am Mia and I am from ___________.  I don't know anyone here.  
Perhaps you could tell me a little about yourself?"

Or... in a restaurant  with others.  You might say something like:

"I don't know anything about the food here.   Can you tell me a little about it?"

Or...in  a  store:    "I don't know anything about these products.  Can you tell me a little about them?"

Other subjects to ask about:  Music,  Clothing,   Weather,   and so on and so forth for light subjects.

Answer

How's it going?
How's life?
How's things?
What have you been up to lately?

Answer

You can say , How has it been or How are you doing ..