Passengers with hand luggage can go straight to the departure gate to check in there.

携带手提行李的乘客可以直接到登机口办理登机手续。

《柯林斯英汉双解大词典》

Then check in the rest of your luggage. The rooms have no locks, so this way you can wander without fretting.

其它行李可以交付托运，房门没有锁，这样你离开房间也不用担心。

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Check and make sure all the luggage (FIT, group) was delivered to guest room in proper way.

检查并确保所有客人的行李(散客，团队)递送到客人房间并做好相应的记录。

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But what are the airlines communicating with their baggage fees at the check-in point if you want your luggage checked through so that you no longer have to carry it?

FORBES: Avoiding Passenger Congestion