Okay, perfect. Thanks guys. Thank you. And our next question coming from the line of Alex Irving with Bernstein. Your line is open. Alex Irving Hi, good morning. Two for me, please, if I may. First of all, just thinking about your GDS unit booking fee. That was up 9% year-on-year in the third quarter and 11% in the fourth quarter. What's driving that acceleration, please help us to disaggregate into its constituent parts? My second question, more on the cost side of things. Do you have any leeway on travel ...