во-первых((used in argument etc.) in the first place, or as the first point in an argument • You can't have a new bicycle because for a start we can't afford one)
начнём с того что(For a start, the networkeffects entailed in the digital economy will not allow all companies to raisepay to the same extent as the front runners, leaving profit-sharingarrangements or collective bargaining with little leverage to improve equity. Андрей Уманец)