gray area
US /ˈɡreɪ ˌer.i.ə/
UK /ˈɡreɪ ˌer.i.ə/
1.
灰色地帶, 模糊區域
an area of a subject or situation where there are no clear rules, or where the truth is not clear
:
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The legal implications of online content often fall into a gray area.
在線內容的法律影響常常屬於灰色地帶。
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Whether that action was ethical is a bit of a gray area.
那個行為是否道德有點模糊不清。