letter of regret是什么意思 letter of regret怎么读
letter of regret的用法和样例
- The parents then complained about the incident and were sent a letter by the school saying the teacher has been disciplined over the gaffe.
随后家长们向校方投诉了这件事，校方得知后给每位家长发了致歉信，称这位老师出言不慎，已受到处分。
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