shades of grey
"灰色的陰影" (表示事物或情況有若干不確定或模糊的方面)
口語·形容復雜或模糊的情況
英文釋義
refers to a situation or topic that is not clearly defined or is ambiguous
例句
The issue isn't black and white; there are many shades of grey to consider.
典故來源
源自光學和繪畫術語，指灰色深淺層次，后比喻事物復雜、非絕對好壞。