中央銀行は主にその他の銀行及び政府と業務を行い、利潤をあげることの他に国民経済の利益になる広い責任を負う銀行である。

tbd

Central Bank is a bank that deals mainly with other banks and the government and assumes broad responsibilities in the interests of the national economy apart from the earning of profits.

もちろん利潤は生産費を上回るべきです。

tbd

Benefits of course should exceed the costs.