How much is 70k salary in Hong Kong?

I'm curious to know, how much would a salary of 70,000 Hong Kong dollars (HKD) actually equate to in terms of purchasing power and living standards in the city? Given the unique economic landscape and cost of living in Hong Kong, how does this salary stack up against the average income and expenses of the local population? Could you elaborate on the financial implications and lifestyle options associated with earning this amount in the city?