下不为例: not to be taken as a precedent; not to be made a precedent; not to be repeated 短语和例子就此一回, 下不为例。just this once. 今天特殊么, 下不为例。 today is a special case. i won't do it again
但下不为例: thank you for your order of june we have accepted the terms you proposed
今天特殊么下不为例: today is a special case. i won't do it again
