求英语大神解答分析这段英语中应该注意的语法和句式
1个回答

At the edge of the new century,globalization is a double-edged sword:A powerful vehicle that promotes economic growth,spread new technologies and improve the living standards of the people

both in rich and in poor countries;also an immense controversial process that undermines

national sovereignty,erodes the local cultures and traditions,and threatens economic

and social stability.