其实它就像人们咀嚼一些事物或者尝试着站立一样自然，所有人都可以轻而易举地做到。
It is not difficult to do because it is a natural thing for all humans to execute just as one is chewing some food or learning how to stand up.
另外一点，相比已知的，未知的事物更让人恐惧，一旦以DNA为基础的相关知识广为人知，一些担忧自然而然地就会消失不见。
Moreover, the unknown is often more terrifying than the known. Once the limits of DNA-based knowledge become apparent, some of the fears are likely to evaporate.
牛津大学的Olivera Petrovich也做了一些类似的实验，对一些学前儿童问了自然事物诸如植物和动物的起源问题。
In similar experiments, Olivera Petrovich of the University of Oxford asked pre-school children about the origins of natural things such as plants and animals.
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