And so valuable resources have to be looked after and guarded in a particular way, and we think the reason they roll the balls away is because of this, because of the competition that is involved in getting hold of that dung.
这么有价值的资源，需要用特殊的方法 小心的看护，而我们认为蜣螂之所以 要把（便便打包成）粪球推走也是因为这个原因， 因为如果想要占有整个粪堆的话， 打来打去是免不了的。