regrettably
/rɪˈɡretəbli/
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17847
in a way that makes you feel sad and sorry about something: I regrettably got involved with some situations I shouldn't have.
adverb [方式副词] 遗憾地;抱歉地;可悲地
Regrettably, some jobs will be lost. 令人遗憾的是有些人将会失去工作。