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    首页/CEFR/B2/Vocabulary/US/reason ·noun/reason ·noun (RIGHT)

我认为我们有理由担心。

I think we have ___reason to be concerned.

他们由于某种原因取消了假期。

They cancelled their vacation for some ___reason.

她突然离开了,没有原因。

She suddenly left, for no ___reason.

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