voc.ch14 (2.3)

I think the most significant invention in the last hundred years is smart phone. With the development and popularity of the smart phone, it brings as more convenient new life. Many people can't live without it. The most fundamental person in my life is my sister. She always accompany with me. No matter I was happy or sad, we always share our emotion with each other. We are not only sisters, but also the best friends.