求一句英文中的语法点,facing the government
问题描述：
求一句英文中的语法点,facing the government
Reducing the gap between rich and poor is one of the main challenge facing the government
答
facing the government 现在分词短语作后置定语,修饰前面的名词challenge,意思是减少贫富差距是*面临的主要挑战之一.