In the previous scenarios, common mistakes were made that could have been avoided easily.

在上述场景中，出现了很多常见错误，这些错误本可以轻易避免。

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I could have passed my exam easily, but I made too many stupid mistakes.

我本来能够轻易通过考试，但我犯了太多不该犯的错误。

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I could have passed my exam easily, but I made too many stupid mistakes.

我本来能够轻易通过考试，但我犯了太多不该犯的错误。

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