伦敦迎来了一个美好的夏日：阳光明媚，鸟儿高歌，每个人都踏着轻快的步伐。于是Ella决定戴上新买的太阳镜出门。可能会出现什么问题呢？ 　　It's a perfect summer day in London; the sun is shining, the birds are singing, there’s a spring in everybody’s step, and Ella is deter mined to wear her new sunglasses. What could possibly go wrong?