He noted limitations to the study, such as the inability to determine the cause of the suicidal behavior.

他注意到这项研究的局限性，比如很难确定自杀行为原因。

youdao

There are two important limitations to the study, the researchers noted.

研究人员指出，这个研究有两个重要的限制。

youdao

However, the researchers said were limitations to the study, including uncertainties about the underlying health data and gaps in the data relating to exposure to second-hand smoke.

然而，研究者也说明了此研究的局限性，其中包括对基础卫生数据的不确定性、与吸入二手烟相关的数据误差。

youdao

However, the researchers said were limitations to the study, including uncertainties about the underlying health data and gaps in the data relating to exposure to second-hand smoke.

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Leszczynski argued that the limitations of this study amounted to failure of the peer review system and called for the retraction of the paper and an investigation into why it was published in the first place.

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This sounds great, but there are ample limitations to this study and the conclusion.

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