口语中的翻译问题

I would like tho say these: My father is a shrewd businessman. Once I wanted him to buy me a digital camera. Before we go to the shopping mall, my father said he could not buy me a camera over 2000 yuan. But when we get there, his attitude changed thoroughly. When I was choosing the camera less than 2000 yuan, he came over and told me that by his ovbservation, he found it's not easy to buy a digital camera which less than 2000 yuan and practically in the same time. Also a good camera could be used for many years.

I would like these: My father is a shrewd businessman. I once wanted him to give me buy digital cameras, to play in before, I Dad said he could not give me more than 2,000 yuan to buy the camera. But to the malls, my father's attitude has undergone a qualitative change. He has to less than 2,000 yuan are looking for the camera I said, according to his observations, he found that less than 2,000 yuan to buy and practical digital camera is not easy, and a good c