דֶּ֚רֶךְ שְׁלֹ֣שֶׁת יָמִ֔ים נֵלֵ֖ךְ בַּמִּדְבָּ֑ר וְזָבַ֙חְנוּ֙ לַֽיהוָ֣ה אֱלֹהֵ֔ינוּ כַּאֲשֶׁ֖ר יֹאמַ֥ר אֵלֵֽינוּ׃
내가 내 백성과 네 백성 사이에 구별을 두리니 내일 이 표징이 있으리라 하셨다 하라 하시고
Chizkuni
דרך שלשת ימים נלך במדבר, we will go a distance of three days’ march into the desert;” in fact this is what they did at the Exodus when they made camp on the second day at the edge of the desert, as is described in detail in Exodus 13,20.