The best argument for efficiency is its cost—or, more precisely, its profitability.

提高效率的最佳理由是它的成本——或者更准确地说，是它的盈利能力。

youdao

The problem is due to discipline, or, more precisely, the lack of discipline, in schools.

问题出在纪律上，或者更确切地说，是学校缺乏纪律。

《牛津词典》

The problem is due to discipline, or, more precisely, the lack of discipline, in schools.

问题出在纪律上，或者更确切地说，是学校缺乏纪律。

《牛津词典》