You take the benefits of the apple tree, but refuse to deal with the bad side of it.

你得了这棵苹果树的好处，却不愿处理它的麻烦事儿。

But, trilobites took the benefits of physical complexity much further.

但是，三叶虫进一步利用了身体复杂性的好处。

Sorry, Jane. I disagree! You take the benefits of the apple tree, but refuse to deal with the bad side of it!

对不起，Jane，这我可不同意！你光占我家苹果树的便宜了，却不愿意处理它不好的一面。

And so, just as humans are keeping their eyes out for people who are taking the benefits without paying the costs, so are other animals.

因此， 正如人类关注那些不付出代价却获得好处的人一样，其他动物也是如此。

And in economics and sociology these are also known as " free-riders." And what a cheater or free-rider does is it takes the benefits without paying the cost.

在经济学和社会学中，这些也被称为“搭便车者”。作弊者或搭便车者所做的就是获取利益而不付出成本。

Sorry, Jane, I disagree! You take the benefits of the apple tree, but refuse to deal with the bad side of it! Besides, it won't take you any time to get the branches out front!

对不起，简，我不同意！你得到了苹果树的好处，却拒绝对坏的一面负责。另外，把树枝弄到前面根本不会花费你任何时间。