1. We are an essentially peace-loving people.
    我们基本上是爱好和平的民族。

2. If a nation is essentially disunited, it is left to the government to hold it together.
    如果一个国家实际上处于分裂状态, 把它联合起来就是政府的事了。

3. If a nation is essentially disunited, it is left to the government to hold it together.
    如果一个国家实际上处于分裂状态，使之联合起来就是政府的事了。

4. It is not a simple competition for a fixed amount of food determined by the physical environment, because the environment that determines our evolution is no longer essentially physical.
    它已不是为争得物质环境所决定的东西所决定。