In sum, although theoretically the replacement may bring convenience to people and can avoid certain problems, in practice, the recent developments in technology can only change some aspects of the existing monetary system, not the entire one。
（实习编辑：张宇红）
英语作文作文地带摘要：A recent investigation shows that about 80 percent of pupils have private tutors....
摘要：Hopefully these essays include the topic in the writing part of the test, but the possibi...
摘要：社会在追逐潮流，学校里也已蔚然成风。大家会蜂拥而起模仿领军人物的所作所为，以为那就叫“个...
摘要：考研英语作文范文--人口问题 Directions: A. Study the following graphs carefully and write ...
作文地带导读：2012年考研英语作文精选背诵 The theory of plate tectonics describes the motions of...