隐存保证背书通常没有真实的交易关系和债权债务关系，但背书人不得因此拒绝承担票据责任。

Hidden guaranty endorsement usually does not have true relation of business between creditor and debtor, but endorser cannot refuse to undertake the bill duty.

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隐存保证背书在形式上构成回头背书时，被背书人得以存在保证关系为由，要求其作为背书人时的后手承担票据责任。

When hidden guaranty endorsement composes turning round endorsement in form, the endorsee can ask the successor as endorser to undertake the bill duty for the cause of existing guaranty relation.

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空白背书票据转让形式灵活、多样，可满足持票人或受让人的不同需求。

Blank endorsement satisfies the various needs of the bearer or the assignee with its flexible and multiple transfer forms.

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