虽然华盛顿和杰斐逊私下里表达了对奴隶制的厌恶，但他们也明白，奴隶制是他们帮助建立的这个国家的政治和经济基础的一部分。

While Washington and Jefferson privately expressed distaste for slavery, they also understood that it was part of the political and economic bedrock of the country they helped to create.

youdao

最后，我们从全日制教育中走出来，进入现实世界，而这一部分也是我从最初令人兴奋的工作经历到现在职业生活的反映。

Finally, we come out of full-time education and enter the real world, and this part is a reflection of my professional life, from the first exciting days of work experience to the present.

youdao

我想如果都像信天翁的一夫一妻制，生活会变得很好。部分是因为我发现人类求爱时很愚蠢。

I think life would be good as a monogamous albatross, partly because I find human courtship senseless.

youdao

So Roman slavery and the freedom of that was actually one way that a few people in the Ancient World recognized some kind of social mobility, which was very rare in the Roman Empire.

所以罗马奴隶制以及奴隶释放制,被古代部分人认为是,某种社会阶级流动，在罗马帝国很少见。

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