Suffice it to say or suffice to say is used at the beginning of a statement to indicate that what you are saying is obvious, or that you will only give a short explanation.
柯林斯英汉双解大词典
Suffice it to say that afterwards we never met again. 不必多言，后来我们再也没见过面。
Suffice it to say that XML is a standard for data exchange (not just a file format). 一言以蔽之，XML是数据交换的标准（而不仅是文件格式）。
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