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eed there. You are wondering how to shop on smartphones① ? Let me show you. If you live in the central part of the city, and you need to buy some fresh grapes from the east of the city, you can use your smartphone. ( Grammar Focus4c) To start with②, all you need③ to do is download a shopping app(應(yīng)用程序 )and find a suitable store you like. Shopping on the smartphone has a lot of advantages, of which the most important is perhaps its convenience. ( Grammar Focus4c) People don’ t have to waste a lot of energy and time to go from one shop to another to choose things they like. This is especially good for the old, the sick and the busy people who cannot go to the shops by themselves. However, shopping on the smartphone also has its disadvantages. ( Grammar Focus4c) The first disadvantage is that people can’ t see the goods or try them on④ by themselves. Sometimes, the real goods may not be t