他们当时认为奴隶制是不道义的。

They thought slavery was morally wrong.

《柯林斯英汉双解大词典》

他迈出了在美国废除奴隶制的第一步。

He took the first step to abolish slavery in America.

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一方面，南方地区无法承担废除奴隶制带来的损失。

For one thing, the South could not afford to part with its slaves.

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一方面，南方地区无法承担废除奴隶制带来的损失。

For one thing, the South could not afford to part with its slaves.

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