useless species

基本解釋

Often those species that can be most easily bred are the most useless in reclamation .
往往最容易培養(yǎng)的種類在改良土壤中最無用。
translation-dictionary.net
Sometimes useless features stick around in a species simply because they’re not doing much harm.
有時(shí)人們不會(huì)去改掉一些沒有用的特點(diǎn)，只因?yàn)樗鼈儾]有什么壞處。
Such extravagant plumage would have been virtually useless for insulation or flying, but it might have attracted mates or allowed individuals of the species to recognize one another.
如此華而不實(shí)的羽毛對(duì)于保溫或飛行來說顯然是毫無用處，但卻有助于吸引異性或分辨同類。

All the inspiration in the world is useless if the environment is destroyed by our species.
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