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feeling of useless--无用之感
fight against any infringement of he rights of citizens--与侵害公民权利的行为坐斗争
filial piety--孝顺,孝心
find its way deep into--深入......,渗入......
finite resource--有限的资源
commence--vt.vi.開始
inaugurate--v.舉行就職典禮;開創
set off on--啟程
strike up--開始演奏, 開始交往或交談(等)
搭訕
incidence--N.發生率
the relative frequency of occurrence of something