尽管有这许多的进步，众多关于人类家族树的疑问依旧未解。
But with all of this bustling progress, many questions about the human family tree remain.
最为重要的是，我遇到了许多优秀的人并结识了众多要好的朋友。
Most importantly, I met dozens of fine decent people and made numerous excellent friends.
环境质量评价系统是由许多子系统组成的结构复杂、变量众多的多级递阶系统。
Environmental quality evaluation system consists of many subsystems. It is a complex and multilevel system.
环境质量评价系统是由许多子系统组成的结构复杂、变量众多的多级递阶系统。
Environmental quality evaluation system consists of many subsystems. It is a complex and multilevel system.
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