今年，研究人员强调车辆的安全和方便。
This year the researchers emphasized vehicle safety and convenience.
研究人员强调说他们的研究结果并不是最终结论。
Scientists in the project emphasize that their conclusions are not the final word.
研究人员强调，没有证据证明苹果公司自己可以得到这些数据。
Researchers emphasize that there's no evidence that Apple itself has access to this data.
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