大家只看到评价结果是好，到底好在哪里，好多少，没有具体的数据，说服力差。
Evaluation results we are seeing is good, where good in the end, how much better, there is no specific data, convincing margin.
这种实验花销昂贵且可能会得到说服力差的科学价值，因为不同的物种对同种科研程序的反应经常是不同的。
It is expensive and can be of dubious scientific value, since different species often react differently to the same procedure.
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