Unless there is a sudden change of political situation, it is not accepted to execute the contract only partially.
除非有什么突然的政局变化,否则执行部分合同不能被接受。
and there is a very firm rule that the bank has no right or authority to pay out a customer's money on a cheque on which its customer's signature has been forged.
银行没有任何权利或理由把储户的钱让伪造储户签名的支票取走。