Before that period the city was a small highly compactcluster in which people moved about on foot and goods were conveyed by horse and cart.
在这之前，城市只是高度密集的小聚居群，在这里人们靠步行走动，商品靠马车运送。
2
One telltale sign is that black holes are often marked by a compactcluster of stars that surround them, which were pulled from the dwarf galaxy when the black hole escaped.