copyright sells the Big Entrance Seat onboard its aircraft, which has similarities into the seats in US domestic first class, but there is no other variance in service or amenities for purchasers seated in that part. Our agency does a great deal of business with overseas buyers. 我們公司與海外客戶的生意往來很多。 Unsure https://businessflightshop.co.uk/blog/why-should-shouldnt-you-not-upgrade-to-first-class-or-business-class/