4. After all, eighty was a special birthday, another decade lived or endured just as you chose to look at it.
结构：全句有2个谓语动词was和chose.句子主干为：eighty was a special birthday.Another decade是birthday的同位语，后面的lived or endured是过去分词作后置定语修饰decade.最后是as引导的状语从句。
翻译：毕竟，八十大寿是一个特殊的生日，是又生活了十年还是忍受了十年全凭你选择怎么去看待了。
5. But at least they would distinguish the organizations entitled to a continuing voice in the dialogue with the research community about the rights of animals in research from the organizations that deserve no say.
结构：全句有2个谓语动词would distinguish和deserve.句子主干是：they would distinguish the organizations…from the organizations that…。其中，entitled to a continuing voice是过去分词短语作为后置定语修饰第一个organizations.其后是一个复杂的介词短语，其主干是in the dialogue with…about…。that引导的定语从句修饰第二个organizations.并且，还应注意到整句话的主要结构：distinguish…from…。
翻译：但是，至少他们会分辨出哪些组织有资格与研究机构继续进行对话，就科研活动中的动物的权力发表意见，而哪些组织不应进行这种对话。
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