求英语大神解答分析这段英语中应该注意的语法和句式Attheedgeofnewcentury,globalizationisadouble-edgesword:apowerfulvehiclethatraiseseconomicgrowth,spreadnewtechnologyandraiseslivingstandardsinrichandpoor

Question

求英语大神解答分析这段英语中应该注意的语法和句式
At the edge of new century,globalization is a double-edge sword:a powerful vehicle that raises economic growth,spread new technology and raises living standards in rich and poor countries alike；but also an immensely controversial process that assaults national sovereignty,erodes local culture and tradition and threatens economic and social instability.

Answer 1

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.