It's a matter of both luck and hard work or--to paraphrase a Chinese saying--of its being "in the right place, at the right time, with the right people."
套句中國人常說的話，此乃天時、地利、人和三者兼具。第一代華僑創業維艱，到近廿年新移民或第二代華裔配合時機主動出擊。