Another result of intercourse with idolaters was a disregard of the Sabbath, the sign distinguishing the Israelites from all other nations as worshipers of the true God. Nehemiah found that heathen merchants and traders from the surrounding country, coming to Jerusalem, had induced many among the Israelites to engage in traffic on the Sabbath. There were some who could not be persuaded to sacrifice principle, but others transgressed and joined with the heathen in their efforts to overcome the scruples of the more conscientious. Many dared openly to violate the Sabbath. “In those days,” Nehemiah writes, “saw I in Judah some treading wine presses on the Sabbath, and bringing in sheaves, and lading asses; as also wine, grapes, and figs, and all manner of burdens, which they brought into Jerusalem on the Sabbath day.... There dwelt men of Tyre also therein, which brought fish, and all manner of ware, and sold on the Sabbath unto the children of Judah.” PK 671.1 This state of things might h…
"In those days saw I in Judah some treading wine presses on the sabbath, and bringing in sheaves, and lading asses; as also wine, grapes, and figs, and all manner of burdens, which they brought into Jerusalem on the sabbath day: and I testified against them in the day wherein they sold victuals."
The EGW passage directly quotes Nehemiah 13:15 and elaborates on the context of Sabbath-breaking in Jerusalem.