2 The popularity of digital …will have great influence on our work, study and everyday life. On the one hand …, but on the other hand……。(讲影响)
3 To conclude, ……are just like a double-edged sword. With them we may have less trouble dealing with problems in life and enjoy a better-off life. However, one point should be kept in mind that we should take sensible use of them , always being the master of them。(结尾段)