求翻译：从此程序中可以看出，背靠背贷款与直接贷款的不同之处在于，前者是以银行为中介的内部信贷。从银行角度来看，这笔贷款是没有风险的，因为母公司的存款可以提供全额担保。银行只是扮演着一个中介的角色，所获得的收益就是借款公司所付利息与母公司存款利息的差额。是什么意思？

From this program can be seen back to back loans and direct loans, the difference is that the former is based on internal credit bank as an intermediary. From a banking point of view, the loan is not without risk, because the deposits of the parent company can provide a full guarantee. The Bank only