unbiased sample

基本解釋

First, we needed a representative, unbiased sample of news stories, so we bought every one of the top 10 bestselling UK newspapers, every day for one week.
首先我們需要一個(gè)具有代表性，竝且公正的新聞報(bào)道樣本，所以我們持續(xù)一個(gè)星期每天購(gòu)買英國(guó)前10名最暢銷的報(bào)紙。
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.
爲(wèi)了找到答案，你就必須採(cǎi)取系統(tǒng)和公正的樣本——也許是值得花一整個(gè)星期去探究的案例——然後去查每一項(xiàng)主張後的証據(jù)。
With a pristine and unbiased sample of interstellar dust they can truly find out if and by how much the elements of our own world differ from others throughout the galaxy.
通過這些原始的無偏見的星際塵埃樣品，人們能真正找出究竟我們的太陽(yáng)系同銀河中的其它星球是否有元素差異以及相差多少。