我们不该花这么多钱买这件外套的。
We shouldn't have spent so much money on this coat.
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shouldn't英 /ˈʃʊdnt/|美 /ˈʃʊdnt/
spent英 /spent/|美 /spɛnt/
解释
shouldn't have + 过去分词，表示对过去消费行为的后悔。spent 是 spend 的过去分词。
We shouldn't have spent so much money on this coat.
shouldn't have + 过去分词，表示对过去消费行为的后悔。spent 是 spend 的过去分词。