求翻译：2010年9月，我与宿舍的舍友在学校卖商品，主要针对当时刚入学的大一新生，当时涉及的商品主要是日常用品和体育用品，虽然只有短短3天的时间，却让我知道销售很不容易，销售的竞争在校园里就如此强烈，可想而知在社会上也是很激烈。但同时我也觉得销售很有趣，卖掉商品是件很开心的事情。是什么意思？

September 2010, I sold in the school dormitory roommates goods, mainly for newly enrolled freshmen at that time was mainly involved in the daily supplies of goods and sporting goods, although only a short period of three days, made me know that sales is not easy, the competition in sales so strong o

September 2010 college dormitory with friends, and I sell goods at school, at that time primarily targeted at the first-year students just entering school at that time, the goods involved are mainly items and sporting goods, although it was only a short period of 3 days, but let me know what time it

In September, 2010, I sell the commodity with the dormitory shed friend in the school, mainly aims at the big new student who at that time just entered a school, at that time involved the commodity mainly was the daily thing and the sporting goods, although only then short 3 day, let me know actuall

In September 2010, and I friends hostel House selling products in school, primarily for freshman admission at that time, when the commodities involved primarily supplies and sporting goods, although only a short 3 days time, is not easy but let me know sales, sales competition on campus it is so str

Will it be September 2010, to give up friends sell for item in the school I and