But for a long time, these are only a kind of feeling impression and qualitative description when meat quality of Tan-sheep were evaluated, and lacking the objective science data to describe them.

但长期以来，人们对滩羊肉质评定只是一种感觉印象和定性的描述，缺乏表征其肉品质的客观科学数据。

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Objective: The relation between prenatal smoking and child behavioral problems has been investigated in children of school age and older, but prospective studies in younger children are lacking.

目的：产前吸烟与儿童行为问题的关系已经在学龄儿童和更大的儿童中做了研究，但是还缺乏在更小的儿童中做的前瞻性研究。

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Winning is our ultimate objective, but the team is very young and lacking international experience, so we need to take part in as many World Rallies as possible.

获得胜利是我们的最终目标，但是车队还非常年轻，我们缺少国际比赛的经验，所以我们必须尽可能多的去参加国际拉力比赛。

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