Why waste energy chasing around, if you can attract prey towards you with a lure? 既然有引诱猎物过来的诱饵 何必浪费能量到处追赶猎物呢
and nothing can afford to waste any energy. 一点能量都不能浪费
Nothing goes to waste in the rainforest. 雨林里的一切都不能浪费
He doesn't have to waste time looking for mates - 它不必浪费时间寻找配偶