Their research raises a few red flags.

该研究给出了一些危险信号。

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Still, there were some red flags and lessons that we should all take to heart.

尽管如此，还是有一些我们应该牢记在心的警示和教训。

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Still, there were some red flags and lessons that we should all take to heart.

尽管如此，还是有一些我们应该牢记在心的警示和教训。

youdao