bright line

基本解释

For Kendler, there is a clear, bright line between normal grief and clinical depression.
對肯德勒而言，普通的悲痛和臨牀上的抑鬱症之間有著明確而清晰的分界線。
I propose a better way to think about financial decisions, using a bright line test – in this case, a thin green line.
我建議用一種更好的方式來考慮各種財務決策，比如劃條分界線，即本文所稱的“淺綠線”，看看你在線的哪一頭。
You never cross that bright line, but you can get varying degrees of proximity to that line, depending on your audience.
你絕對不能跨過那條明顯界限，但你不同程度地接近那界限。

The local official was probably hoping for a bright line test one year, two years, twenty years, whatever.
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Since Europe's wars were mostly fought in Christianity's name, there is no bright line between the sacred and the secular.
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There is a fine line not a bright line difference between them.
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