I enjoy the term 'caveman diet' so I'll be referring to it as that.(我喜欢“穴居人饮食法”这个说法，所以提到这一饮食方法时我就会这样说。)
When my teacher handed it to me, Iturned it over to see that he had drawn a caveman shooting arrows at mydinosaur.(卷子判完以后，我拿过来一看，老师画了一个原始人，用箭射死了它。)
Part of the fault lies with our inner caveman.(部分原因在于我们内心的穴居人。)
Morgan: You know, people have been wondering about how the universe began probably since the caveman, right.(摩根：人们可能从穴居起就开始猜测宇宙是怎么开始的。)
Do you really think you're a caveman?(你真觉得自己是个穴居人吗?。)
The bones of caveman were discovered in this very cave.(原始穴居人的骨头就是在这个山洞里发现的。)
Actually, you don't have to be a caveman to survive in the woods.(事实上在野外你不必像洞穴人一样生存。)
In other words, our inner caveman is continually looking over his shoulder to see what the rest of the tribe are up to.(换句话说，我们内心深处的穴居人在不断地回头看，看看部落里的其他人在做什么。)
How do we convince our inner caveman to be greener?(我们如何说服我们内心的穴居人变得更环保？)
Without it, you might as well be some caveman, lost in time and pounding out text-messages on cavern walls in pig blood.(没有它，你也可能是一些野人，时间损失和冲击的文字，对洞穴的墙壁邮件猪血。)
