commonwealth noun 1) государство, республика; содружество, федерация - the British commonwealth of Nations - theCommonwealth - theCommonwealth of England...
bet on быть абсолютно уверенным в чём-л. You can't bet on the weather in England. I think it's safe, but don't bet on it. Don't bet on getting file job. We daren't bet on the train arriving on time....