Thousands of people have bought cars with their newfound wealth, leading to hours-long traffic snarls on streets previously plied mainly by donkey carts and bicycles.
富裕起来的人们纷纷购买汽车，曾经遍布驴车和自行车的街道上如今长时间汽笛轰鸣、交通繁忙。
2
It took the Moon only twenty days to circle the Earth, and Earth's day was only eighteen hourslong.
月球绕行地球一周只需二十天，地球的一天也只有十八小时长。
3
An iteration starts with an iteration planning meeting that is a few hourslong.