Last week when I went shopping with my colleagues, I met adapter for a discount, so we spent a lot of time thinking about it. Because electrical appliances will not expire and they are more practical, it would be more cost-effective to buy more at discount. Remember that last year our home adapter broke down and then temporarily found a adapter in the store near my home for a long time, and finally I went to a good shopping mall. After that lesson, I was particularly fond of giving home some more common things to my home when I was in a discount store. It’s daily necessities, and some electrical accessories and so on, will be prepared for rainy days.