וַיָּלִ֨ינוּ הָרֹכְלִ֜ים וּמֹכְרֵ֧י כָל־מִמְכָּ֛ר מִח֥וּץ לִירוּשָׁלִָ֖ם פַּ֥עַם וּשְׁתָּֽיִם׃
장사들과 각양 물건 파는 자들이 한두 번 예루살렘 성 밖에서 자므로
Rashi on Nehemiah
So...lodged The traffickers and the merchants lodged outside Jerusalem on the Sabbath once and twice so that the Children of Israel would open the gates and buy from them on the Sabbath.