guarantee of due payment是什么意思

用法例句

This paper expoumds the reasons why we created the collecting fees system for the incessant vehicles passing through exprasswny toll station induding its forms and the types of payment meanwhilee,it explains the tenefit which the systom can bring

高速公路不停车收费系统产生的原因及其构成、付款方式和实行不停车收费所带来的好

Then the applied conditions, some items notable in costing, and some problems in payments are introduced.

本文阐述了固定总价合同应用中应注意的几个问题;合同的应用条件,计价应注意的事项,付款应注意的问题,分析了固定总价合同的风险分配,固定总价合同与单价合同的区别。