中译英 谢谢啊

With the development of the society, the buying patterns are changing all the time. From the the most primitive barter trade to face to face trade by currency, then to more varied ways nowadays, such as mail-order, e-trade, etc--this is the most basic activity all along our life.

As society advances, the sale of the ever-changing ways. From the most primitive barter, to the use of currency exchange face to face, so now more diverse methods, such as mail order, online trading and so on, which is always people's lives in one of the most basic activities.