translation.en: The thing that is exciting was, in 1976, I suddenly got interested in the human-powered airplane because I'd made a made a loan to a friend of 100,000 dollars, or I guaranteed the money at the bank.
translation.zh: 1976年令人兴奋的事情发生了， 我突然开始对人力飞行器感兴趣。 因为我帮朋友向银行借了十万美元， 在银行做他的担保，