Now, the syntactic rules are complicated.

语法规则是复杂的
And one of the puzzles of syntactic rules, or one of the issues of them,

语法规则的一个谜团或问题是
is that different rules can conspire to create the same sentence.

不同规则可以共同作用来产生同一个句子
So, you take a sentence like

举例来说
--This is a classic line from Groucho Marx:

这是《格劳乔·马克斯》的经典台词
"I once shot an elephant in my pajamas.

"我曾在我的睡衣里射杀了一头大象
How it got into my pajamas I'll never know."

至于它怎么进来的我就不知道了"
And the humor, such that it is,

像这样的幽默
revolves around the ambiguity of rules that generate it,

正是利用了创造幽默的规则的模糊性
like this versus like this.

像这样而不是那样
Often, to illustrate the issues of ambiguity,

通常为了说明模糊性的问题
people have collected poorly thought-out headlines

人们收集了那些未经深思熟虑的