JMNT(i)
20 "Now later, when you folks see Jerusalem being continuously surrounded by encamped armies, at that time realize and know from that experience that her desolation has drawn near and is now present.
21 "At that point, let the people in Judea progressively flee into the hill country and mountains; then let the people within the midst of her [i.e., Jerusalem] proceed departing out of that place, and don't let (or: let not) the folks in the country or the district continue coming (or: going) into her,
22 "because these are days of executing justice – of bringing about what is fair and right and of establishing what accords with the Way pointed out – with a view to have fulfilled all the things having been written (or: for all that is written to be fulfilled)!