It is clear that fulfilling完成 some tasks without seeing people face to face is highly efficient. In the past, if we needed to buy something, we had to go to the shopping mall; but nowadays all can be done with a click on the keyboard and the goods will be delivered快递 home, even at a lower price. And if we want to make a transaction转账交易 from one bank account to another, we do not have to go directly to a bank or wait for a desperately绝望般 long queue; instead we may comfortably make use of the self-banking service自助银行服务 at home with access to the Internet. Thus, efficiency of work and life has been both highly improved owing to the technological advances.