And they're being traded by a species of almost seven billion individuals, who are linked by trade, travel, and the Internet into a global system of stupendous complexity.
Un ar tām tirgojas suga, kurā ir gandrīz septiņi miljardi īpatņu, ko tirdzniecība, ceļošana un internets sasaista neaptverami sarežģītā vispasaules sistēmā.