原句是個省略句
A survey by Harris Interactive found Chicago is the most stressed city in the nation, (which is) followed (by) Houston, Boston, Los Angeles and San Diego.
不象,否則語法上(1)時態不一致;(2)兩個句子隻用逗號分開, 成run-on sentence.
A survey by Harris Interactive found Chicago is the most stressed city in the nation, (which is) followed Houston, Boston, Los Angeles and San Diego.
is - 現在時
followed - 過去時