Okay. Let me talk about the sales and Jacky can talk about the margins. The delivery sales is very exciting part of the business. So KFC first and then Pizza Hut. So let's say if KFC delivery is a standalone business, actually, by the end of the year, it's likely to be a business with probably US$1 billion revenue, $1 billion revenue, if KFC delivery is a standalone business. It's growing very, very nicely. And right now, we have more exciting learning about deliveries for the first half of the year. Not only the own channel growth is growing faster than the aggregator. So KFC, the own channel -- the traffic from our own channel is already over 40%, and that's very exciting because we are actually driving the business our self through our own ATT, et cetera. On top of that, when we look at the growth of breakfast, the coffee late night or even dessert, it becomes very powerful when we combine the digital database knowledge about these particular category with delivery. So we can use delivery to drive the growth of these new category or new daypart. Not new, like emerging, growing daypart. So when we look at the digital bit of the business this year, our NPL business, when we sell the subscription membership, we combine breakfast and delivery, we combine coffee and delivery. So it's not only growing very nicely, but it's also growing other daypart as well. Therefore, for KFC, the delivery sales is really fantastic, and it will be a -- in the foreseeable future, it will continue to be a very important part of our business. And all of this growth, of course, have something fundamental underneath that's called the building blocks, the fundamental building blocks with our riders, with our management, our trade zones, et cetera, et cetera. So that also explains the difference of growth of Pizza Hut, because Pizza Hut, only by late last year, we took back the last-mile delivery. And right now, we are still working on the building blocks of the Pizza Hut delivery business. So it's a bit -- not late, but it's a bit behind the KFC core capability, the delivery core capability. So Pizza Hut, we're working on the fundamentals, and we understand it's painful in the short term, but it's absolutely the right thing to do. But it's still growing very nicely. And again, the growth from our own channel is still growing much faster than the aggregators. The percentage of the sales from Pizza Hut own channel was 20% before, but now it's more like 27%. It's 6% to 7% growth compared to the quarter before. So we're happy with the progress as well in terms of the Pizza Hut delivery on both margins.