That appears to be the case: thousands of RNAs that never get translated into protein (noncoding RNAs) have been identified in recent analyses of transcription in mammals.

• 而实际情况看来也是如此：最近在分析哺乳动物的转录产物后，已经鑑定出有数千个RNA，是不会转译为蛋白质的非编码RNA。