וְנָתַתָּה֙ אֶת־הַלְוִיִּ֔ם לְאַהֲרֹ֖ן וּלְבָנָ֑יו נְתוּנִ֨ם נְתוּנִ֥ם הֵ֙מָּה֙ ל֔וֹ מֵאֵ֖ת בְּנֵ֥י יִשְׂרָאֵֽל׃
너는 레위인을 아론과 그 아들들에게 주라 그들은 이스라엘 자손 중에서 아론에게 온전히 돌리운 자니라
Sforno on Numbers
נתונים נתונים המה לו, all their (the Levites’) service was to be performed at the instruction of Aaron, to whom the Levites had been delegated by the people.
Rashbam on Numbers
נתונים,נתונים, the repetition of the word is similar to the repetition נתן תתן להם אחזת נחלה, “be sure to give” in English, in Numbers 27,7.