From this perspective, dreams serve no adaptive function at all but rather they're epiphenomena.

从这个角度来看，梦根本没有任何适应性功能，而是一种附带现象。

" We should also remember to consider the possibility that male color patterns may not have an adaptive function at all, " the study added.

该研究补充说：“我们还应该记住考虑男性颜色图案可能根本没有适应功能的可能性。”