Someone told me you're the computer expert around here. Weel, I have a question for you...
有人告诉我你在这里是计算机专家,我有个疑难想请教你。。。
By 1820 the population of New York had grown to about 125,000, making it the largest city in the USA.
到1820年,纽约市的人口增长到12。5万人左右,使它成了当时美国最大的城市。