It's going to normally depend upon the airline, route, and aircraft variety. Some airlines could give you a hybrid class amongst business and first, while others could have a larger gap in between The 2 classes. Our agency does lots of business with abroad consumers. 我們公司與海外客戶的生意往來很多。 In case you have https://www.businessflightshop.co.uk/first-class-flights-to-dhaka-bangladesh