律师代理实践中，常会遇到类似以下案情：案例一：某甲将其房屋出租给某乙。双方订立《租赁合同》，规定租赁期为两年，某己每月交纳租金二万元给某甲；之后一个月，某甲又与某丙签订《借款合同》，约定某甲以上述租赁合同中某甲的债权（即租金收益）作押，向某丙借款十万元，? Lawyers practice in practice, often encounter similar cases as follows: Case 1: a house to rent a house. The two parties entered into a “leasing contract” stipulating that the leasing period should be two years. They had to pay a rent of 20,000 yuan a month to certain armies. One month later, one armored a certain “loan contract” with another firm and agreed that one of the above leasing contracts In a claimant (ie rental income) as a charge, to a loan of $ 100,000,?