4个数字三个一组有多少种组合简介：Time passed slowly as the construction workers were busy building. With the efforts of millions of people, the entire city was slowly built. Next came the pre-sale of residences and the leasing of shops.
Time passed slowly as the construction workers were busy building. With the efforts of millions of people, the entire city was slowly built. Next came the pre-sale of residences and the leasing of shops.
