used to introduce something that is related to or connected with something that has just been said:
Thesaurus: synonyms and related words
Regarding and concerning
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suitable in a particular situation or at a particular time:
Suitable and acceptable
英语词典包含110679条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。