论文部分内容阅读
雨伞,虽然不是生活中每天都需要的物品,但它却是生活的必备品,因为你总不能在要用的时候才去买吧。许多人不愿意随身携带伞具,觉得很不方便。如若有一款既小
Umbrellas, although not the items that are needed daily in life, are essential to life because you can’t always buy them when you need them. Many people are reluctant to carry umbrellas with them and feel inconvenient. If you have a small