answer: #Person1# shows interest to afford a house in installments. Then #Person2# tells him details.
documents: #Person1#: This house is very nice for me, but I can't afford it in a lump sum.
  #Person2#: Don't worry, you can pay in an installment, that is to say, you don't have to pay the whole amount of money at once.
  #Person1#: That's good. Will you tell me the details?
  #Person2#: Certainly, you need to pay a deposit at first, and you will pay the rest monthly.
  #Person1#: How long will it take?
  #Person2#: It depends.
  #Person1#: I need to talk it over with my wife.
  #Person2#: Certainly.