年轻作家使用更多的否定式和过去式词汇，而年长的作家使用更多的肯定式和未来式词汇。
Younger writers use more negative and past-tense words than older writers who use more positive and future-tense words.
肯定式的使用频率远远不如否定式高。这主要是由于表达的意义和对举的对象不同而造成的。
The frequency of use in affirmative ones is lower than that of negative ones, mainly due to difference between expressed sense and listed objects.
与第一步推理一样，(二)(三)两步都是形式相同的否定肯定式的选言推理。
Like the first step of reasoning, step 2 and 3 employ the same negative-affirmative reasoning.
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