To find out, you'd have to take a systematic and unbiased sample – perhaps a whole week's worth of stories – and then check the evidence behind every claim.

为了找到答案，你就必须采取系统和公正的样本——也许是值得花一整个星期去探究的案例——然后去查每一项主张后的证据。

youdao

Thank you. We'd like to have a sample of your urine. Please take a small cup and check if it's perfectly clean.

谢谢。我们需要您的尿样，请取一个留尿用的杯子，检查一下是不是绝对干净。

youdao

The handlers note where the scat is found and take a sample for analysis to determine if it is from a tiger and to check the animal's health.

VOA: standard.2010.02.22