по имеющимся оценкам(It is estimated that Brisbane and Perth will double their population size to 4 million and 3.5 million respectively by 2049.ART Vancouver)
не столько... сколько(This is not as much a recipe as it is a 'how to'; Perl is not as much a reflection of hot new technology as it is a manifestation of old ideas freshly applicable to today's problemsMaria Klavdieva)