(The tour guide is telling the tour leader how to go though the customs formalities.) G:Here we are at the Customs Office. I have to leave you here now, but I will be waiting for you at the exit. T:Just a moment, please. You see, this is my first trip to China. Please tell me how to go through the customs. G:Well, firstly, you must go through the Immigration Office, then proceed through the Quarantine Inspection and Finally to the customs. You'll have to present you passport and Disembarkation card to the immigration officer.