In fact, faces seem to have co-evolved with our interest in them; the face is the body's billboard.
事实上，面孔像是与我们对它的兴趣共同演进，面孔是身体的广告牌。
2
The pair co-evolved, so their pollinating parts are a perfect fit, and the night feeder can see the flower in the dark.
协同进化的昆虫和花朵完美的匹配起来，使得夜间采食者在黑暗中也能看清楚花朵的位置。
3
Moreover, aircraft design has co-evolved with airport infrastructure. Existing passenger gates, baggage-handling and aircraft-servicing arrangements are not well adapted to such novelty.