It is, therefore, of the highest importance to gain a clear insight into the means of modification and coadaptation . 因此，搞清楚生物的变异及相互适应的途经是极其重要的。
2.
Nevertheless , such a conclusion , even if well founded , would be unsatisfactory , until it could be shown how the innumerable species , inhabiting this world have been modified , so as to acquire that perfection of structure and coadaptation which justly excites our admiration 尽管如此，这样一个结论即使很有根据，还不能令人满意，除非我们能够阐明这个世界的无数物种怎样发生了变异，以获得应该引起我们赞叹的如此完善的构造和相互适应性。
