this idealist character, with different significance in different historical period, is typically expressed in the diplomatic practice of us.
在不同时期美国对外政策中都有不同程度的体现,并形成美国对外政策理想主义的特征。
yet considering the reality, china' s diplomatic practice based on pluralism will meet challenges from the western counterparts along with the us hegemony and standardization of european union.