一个巨难的英语句子结构的分析及翻译-------------务必高手帮忙

这个Twain我想应该指的是Mark Twain吧?
With minor exceptions,结果状语
主句谓语为planted.into.
his attacks on slavery and prejudice 为planted的谓语.
that were on the surface about .为tales 的定语从句.
第二句,by drawing them into the story 为方式状语.
翻译：和往常一样,马克吐温把他对奴隶制和偏见的抨击移植到他的故事里.而这些故事在表面上看来,完全是关于其他事情的.他通过把他的读者们吸引进故事情节的方式,使读者们也加入了这场争论.

With minor exceptions, Twain planted his attacks on slavery and prejudice into tales that were on the surface about something else entirely. He drew his readers into the argument by drawing them into ...

全句译为：除少数例外，Twain把他对奴隶制和偏见的攻击通过一些表面上毫不相干的故事表现，他通过吸引他们把读者引入这个争议之中。
that were on the surface about something else entirely.是定语从句修饰“tales”
drawing them 中的“them"指代的是“读者”
by drawing them into t...

布莫 。。。。。。。。。。。。。。。。。