[案情]1992年6月,某县矿泉水公司向某县中国银行借款100万元,期限1年,由某合资企业担任保证人,1994年某合资企业承诺继续归还矿泉水公司的贷款本金和利息。合资企业中方公司要求其下属企业代偿此债务,该下属企业向某县中国银行出具函件,记载:“贵行借给矿泉水公司的100万元 [Case] ​​In June 1992, a county mineral water company borrowed 1 million yuan from a bank in China for a term of one year as a guarantor by a joint venture. In 1994, a joint venture promised to continue repaying the loan principal of the mineral water company and interest. The Chinese company of the joint venture requires its subordinate enterprises to repay this debt, and the subordinate enterprise issues a letter to a bank in China, stating: ”Your bank lends 1 million yuan to the mineral water company