b. Translating and shortening the full name(1) NATO to Seek New Secretary General (NATO=North Atlantic Treaty Organization 北大西洋公约组织,简称北约)
---北约寻求新任秘书长(2) USSR Dissolves, Mikhail CorbachevResigns: Boris Yeltsin Takes over (USSR=Union of Soviet Socialist Republics 苏维埃社会主义共和国联盟,简称苏联)
---苏联解体,戈尔巴乔夫辞职,叶利钦上台