It is a much scarrier idea than saying I have this, I'm going to do it, I'm going to put it down there as opposed to being open to what may come and being uncertain whether that would be something good enough.
这和,我知道了,我要做这个,我想写这个,这种确定感相比,对可能的结果保持一种开放的心态,不知道,期待能否满足的未知感相比,更挑战一些。
You can use PCR for fingerprinting as well, for looking in some unknown fluid for example, is a gene that I'm interested in there?
也可以用PCR做生物指纹鉴定,比如在一个未知溶液样本中,里面是不是有我感兴趣的那段基因呢
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