extraneous
US /ɪkˈstreɪ.ni.əs/
UK /ɪkˈstreɪ.ni.əs/

1.
無關的, 外來的, 多餘的
irrelevant or unrelated to the subject being dealt with
:
•
Try to remove any extraneous details from your report.
盡量從報告中刪除任何無關緊要的細節。
•
The discussion was sidetracked by extraneous comments.
討論被無關的評論岔開了。