There is no clear and unbiased information available for consumers

　　消費(fèi)者沒(méi)有清晰明確、不偏不倚的信息可以參考。

　　The researchers were expected to be unbiased.

　　調(diào)查人員應(yīng)該是不帶偏見(jiàn)的。

　　The witness is unbiased and so reliable.

　　那個(gè)證人沒(méi)有偏見(jiàn)，因而是可靠的。

　　When the estimator is unbiased, the numerical estimate is frequently also called unbiased.

　　當(dāng)估計(jì)量無(wú)偏時(shí)，數(shù)字估計(jì)值也常叫做無(wú)偏的。

　　He had an unblemished reputation.

　　他的名聲白璧無(wú)瑕。