There is no clear and unbiased information available for consumers
消费者没有清晰明确、不偏不倚的信息可以参考。
The researchers were expected to be unbiased.
调查人员应该是不带偏见的。
The witness is unbiased and so reliable.
那个证人没有偏见，因而是可靠的。
When the estimator is unbiased, the numerical estimate is frequently also called unbiased.
当估计量无偏时，数字估计值也常叫做无偏的。
He had an unblemished reputation.
他的名声白璧无瑕。