With so many stars in space, are we alone, or is there life on other planets in space?
太空中有这么多恒星，我们是唯一的吗，或者太空中其他行星上存在生命吗？
According to meme theory, humans are radically different from all other species because we alone are meme machines.
根据这一理论，人类与所有其他物种的本质区别在于我们是唯一的一种模因机器。
Therefore, we alone must make something of ourselves, transforming ourselves into the instruments for experiencing the deepest spiritual essence of life.
因此，我们必须做点什么，引导我们自己去经历生活最深层的精神实质。
We are able to ask the question "are we alone in the universe?" because our ancestors created memes, turning Earth into a "two replicator", or R2, planet, rich in language and culture.
我们能够问出“我们在宇宙中是孤家寡人吗？”这样的问题，是因为祖先创造了各种模因，使地球成为一个有着丰富的语言和文化的“双复制因子”(或称r2)星球。
It has been well said that while other countries have a climate, we alone in England have weather.
有一句话说的好，别的国家都有气候，唯有英国才有天气。
Therefore, we alone must make something of ourselves, transforming ourselves into the instruments for experiencing the deepest spiritual essence of life.
因此，我们必须有所作为，那样可以引导我们去体会生活中最深层的精神实质。
Vasopressin, an antidiuretic hormone, is another chemical that has been associated with the formation of long-term, monogamous relationships (see "Are We Alone in Love?").
垂体后叶加压素，一种抗利尿激素，又是一种与一夫一妻制的长久关系形成有关的化学物质（见“钟情者只有我们吗？”）
Vasopressin, an antidiuretic hormone, is another chemical that has been associated with the formation of long-term, monogamous relationships (see "Are We Alone in Love?").
垂体后叶加压素，一种抗利尿激素，又是一种与一夫一妻制的长久关系形成有关的化学物质（见“钟情者只有我们吗？”）
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