单边主义 unilateralism

　　弹道导弹 ballistic missile

　　单刀赴会 start a solo run

　　单方面撕毁协定 unilaterally tear up an agreement or a treaty

　　淡季 dead or slack season

　　单亲 single parent

　　单身贵族 the single

　　单亲家庭 single-parent family

　　淡水恶化 freshwater degradation

　　单挑;单干 do something by oneself; work on one's own

　　单位行贿 corporate bribery (Huang Guangyu, once China's richest man and a home appliance tycoon, stood trial on Thursday in Beijing for illegal business dealing, insider trading and corporate bribery. 曾经的中国首富、家电业巨头黄光裕上周四在北京以非法经营、内幕交易、单位行贿等罪名受审。)

　　单向收费 One-way charge system

　　单循环制 single round-robin system

　　单一经济 one sided economy; single product economy

　　党报 party organ

　　党代会 congress of party representatives

　　党风 Party style

　　党风建设 construction of the Party conduct

　　挡箭牌 excuse; pretext

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