信函类:投诉+建议复合信 Directions: Suppose you have found something wrong with the mobile phone that you bought from a flagship store last week. Write a letter to the customer service center to...
放下手机,看看世界Take a Look At the WorldNowadays, more and more People use cell phone, if we take a notice, we can find no matter where they are, people always low down their heads, they are looking...