I have just one--playing golf. It's expensive, but it's a lot of fun.
我只有一种爱好,打高尔夫球。花费很高,但非常有趣。
would be like trying to meet a friend in London without a pre-arranged rendezvous and absurdly wandering the streets in the hope of a chance encounter.
就如同去伦敦见一位朋友,事先未约定地点,而荒唐地在街上游逛,以期待碰巧遇上一样。