某企业职工刘某借给经商朋友两万元。当时，他觉得既是朋友，还承诺每年２０％的高息，所以碍于面子，连欠条也没打。一年后，看朋友不提还钱和付息之事，刘某便登门提醒，可没想到此人不承认借钱之事。一气之下，刘某将借款人告上法院，但因空口无凭，法律最终无法保护这位职? Ryu employees loans to a business friend 20,000 yuan. At that time, he felt that he was both a friend and he also promised to have a 20% interest rate each year, so he did not even have to pay his IOUs because of his face. A year later, watching friends do not mention paying back the money and interest, Liu will be reminded to go door, I did not expect this person does not recognize the matter of borrowing money. Angrily, Ryu borrowers will be brought to court, but due to lack of air interface, the law ultimately failed to protect the post?