为什么鹦鹉会说话？而猩猩却不会？

　　This is what a macaque monkey would sound like if it suddenly proposed,　　如果一只猕猴突然向你求婚的话  这就是它会发出的声音,　　"Wiii you marry me?",　　“你愿意嫁给我吗? ”,　　Yeah, I hate it too,　　是的 我也很讨厌这个声音,　　Let's play it again,　　让我们再播放一遍,　　"Wiii you marry me?",　　“你愿意嫁给我吗?
”,　　Now of course, that's not a real monkey,　　当然啦 现在这个不是真的猴子,　　it's a computer simulation that was part of a study on monkey vocal¹ tracts²,　　这是对猴子声道神经束做了部分研究 并最终通过计算机模拟出来的,　　And what it shows is that monkeys have a strikingly similar vocal structure to humans,　　研究表明 猴子和人类有着惊人的相似的声音结构,　　But despite all these similarities, they can't speak,　　但是尽管拥有这些相似之处 他们还是不会说话,　　So here's a question,　　所以问题来了,　　Compared to monkeys, birds are nothing like us,　　和猴子比起来 鸟类一点也不像我们,　　Yet this bird's talking to me right now,　　但现在这只鸟就在跟我说话,　　How?,　　这是为什么呢？,　　Birds don't have lips. They don't have teeth,　　鸟类没有嘴唇 它们也没有牙齿,　　their nose is totally different from ours,　　它们的鼻子结构也和我们的完全不一样,　　but they do have something we don't,　　但同时它们也具备我们没有的东西,　　They actually have a different kind of voice box than we do,　　事实上 它们有着和我们不一样的喉头