(Bloomberg) -- China’s top official in charge of Hong Kong said the city’s governing principle of “one country, two systems” will be kept as a “permanent feature,” South China Morning Post reported.Most Read from BloombergBYD’s New $233,450 EV Supercar to Rival Ferrari, LamborghiniStock Rally Stalls at Start of Data-Packed Week: Markets WrapFreddie Mercury’s London Residence Lists at £30 MillionJacob Rothschild, Financier and Philanthropist, Dies at 87Poland’s Famously Frank Top Diplomat Lands a