案情:2008年12月28日,李某因公司年底资金紧张,通过朋友介绍从王某手中借款20万元,王某于当日委托张某将该款存入李某的银行卡。借款当日李某说这笔钱只用1-2个月,双方并没有写借条,也未约定具体的还款日期及利息。过了还款日期,王某向李某索要欠款时,李某还了5万元,其余借款15万元一直未还。王某曾多次打电话催 Case: December 28, 2008, Lee due to company funds by the end of the year, borrowed 200,000 yuan from the hands of a friend introduced by Wang, Wang on the day entrusted Zhang deposit the money into Lee’s bank card. The day of the loan Lee said the money only 1-2 months, the two sides did not write an article, did not stipulate the specific date of repayment and interest. After the repayment date, Wang Lee to ask for arrears, Lee also returned 50,000 yuan, the remaining 150,000 yuan loan has not yet been repaid. Wang has repeatedly called reminders