How long will we stop here? 我們在這裏停留多久？

How long will we stop here? 我們在這裏停留多久？
Are there any duty-free shops in the waiting room? 在侯機室有免稅店嗎？
I’m in transit to Melbourne 我是換機去墨爾本
How can I get to the connecting flight counter of China airline?
我如何找到中國航空 公司辦理轉機櫃檯？
Where is boarding gate for China airline CA173? 國航CA173登機口在哪里？
Where can I check in? 在哪里辦理登機手續？
What is the gate number? 在幾號登機口登機？