The past is not a shadow but a living presence.
物联网的未来在于无缝连接和以用户为中心的设计。
A poet is a nightingale, who sits in darkness and sings to cheer its own solitude with sweet sounds.
诗人是一只夜莺，坐在黑暗中用甜美的声音歌唱来鼓舞自己的孤独。