我们在这里停留多久？
Are there any duty-free shops in the waiting room?
在侯机室有免税店吗？
I’m in transit to Melbourne
我是换机去墨尔本
How can I get to the connecting flight counter of China airline?
我如何找到中国航空 公司办理转机柜台？
Where is boarding gate for China airline CA173?
国航CA173登机口在哪里？
Where can I check in?
在哪里办理登机手续？
What is the gate number?
在几号登机口登机？