プログレッシブ和英中辞典(第4版)の解説
ゆうれつ【優劣】
学業成績の優劣で人間の価値が決まるものではない
Scholastic ability has nothing to do with a person's worth as a human being.
二者の間に優劣はない
There is no difference between the two.
二人の歌手を較べてもその優劣はつけかねる
When you compare the two singers, you cannot say that one is better than the other.
20人の出場者が優劣を競った
Twenty contestants competed to outdo each other.
それらの計画の優劣を論じてみよう
Let's discuss the advantages and disadvantages of the respective plans.