..and use them for shelter, or even as a home. 将其作为庇护所 甚至作为家
or the extraordinary lengths to which people would go 也不知道人们会付出怎样的努力
which had been laid a month or so earlier 孵化出来的
"Or maybe a bit of coloured string?" “我还有鲜艳的红丝线”
How, or indeed why, they perform these marvellous aerobatics, 它们是如何 又是为何成群起舞
trying to flush out the weak or the slow. 试图冲散群体中的弱者