Underrefining
精煉不 足, 欠精煉
??? 情景例句
I've got no idea.
我不知道。
Necessity (or Need) has (or knows) no law.
需要面前無法律。
although what impression any other civilization would thus get from us is best left unsaid.
至于其他文明行星對我們地球會有什么印象，還是不說為好。