可尝试扩展句子。越复杂的句子,分析结果越丰富。
A lamb is as dear to a poor man as an ox to the rich.
因为只含有一个主谓结构,并且句子各成分都只由单词或短语构成,所以它是一个简单句。
A lamb
is
as dear to ··· rich.