 <translate> Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: To answer this question, we should know that: The first 128 characters of Unicode, which correspond one-to-one with ASCII, are encoded using a single octet with the same binary value as ASCII, so that valid ASCII text is valid UTF-8-encoded Unicode as well.
 The question and answer: <yor> Níwọ̀n ìgbà tí ẹ bá ti rí ìdí tó fi rí bẹ́ẹ̀, ẹ béèrè ìbéèrè tó bọ́gbọ́n mu, kẹ́ ẹ sì dáhùn. Igbesẹ-nipasẹ-igbesẹ: Lati dahun ibeere yii, a yẹ ki o mọ pe: Awọn ohun kikọ 128 akọkọ ti Unicode, eyiti o baamu ọkan-si-ọkan pẹlu ASCII, ni a ṣe akojọpọ nipa lilo octet kan pẹlu iye alakomeji kanna bi ASCII, nitorinaa ọrọ ASCII ti o wulo jẹ Unicode UTF-8 ti o wulo.  Ìbéèrè àti ìdáhùn: 