So can the movement of aphids when, having depleted the young leaves on one food plant, their offspring then fly onward to a different host plant, with no one aphid ever returning to where it started.

蚜虫的运动也是如此，当吃完一株食用植物的幼叶，它们的后代会飞到另一株宿主植物上，没有蚜虫会再回到最初的地方。

youdao

History moves ever onward, never stopping to wait for the hesitant, the undecided, the idle, and the weak.

历史总是要前进的，历史从不等待一切犹豫者、观望者、懈怠者、软弱者。

youdao

Ever singing, march we onward.

不住前进，不断歌呤。

youdao

On a lighter -- or is that darker -- note, other areas of science and technology bravely march ever-onward with the goal of a better understanding of life, the universe, and tattoos.

ENGADGET: Alt-week 2.24.13: Mapping the brain, discovering dark matter and our inevitable, grizzly end