讽刺的是，即使在口号漫天的时代，中苏关系也很快地恶化了，不到十年，西伯利亚黑龙江地区就交上了火。
The irony is that, even in that slogan’s heyday, Sino-Russian relations were deteriorating fast, culminating in spasms of combat along the Amur River in Siberia less than a decade later.