题目内容：

providing (that),provided (that)和on condition (that)的用法

优质解答

We can finish the job in time provided/on condition that there is a stable supply of material.在材料供应稳定的前提下,我们能够按时完成任务.
provided that表示“在……的前提/条件下”,就是on condition that,其格式固定,不用providing that.