QCMQue désigne « Upgrade » ?AFeatures → Advantages → Benefits. « It has Wi-Fi (F), so you can work on the go (A), which means more family time once home (B). »BMontée en gamme : « For an additional €50, we can upgrade your room to a sea view. »CFree of charge, offered as part of the service. More elegant than « free ».DUK : ground = 0, 1st = 1. US : 1st = ground floor.