这个距离可以看清楚其猎物，但是却不至于被猎物发现而把它们吓跑。
It was close enough to see their prey, but not close enough to be seen and scare off their victims.
然而，他补充说，至少在对心理咨询的研究中，其产生的好处已足以使得它们不至于被归因于偶然。
However, he added that, at least in the studies of psychological counseling, the benefits were strong enough that they there were unlikely to be due to chance.
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