"more satisfactory than expected "中"expected "作什么语,和than之前的内容并列

"more satisfactory than expected "中"expected "作什么语,和than之前的内容并列
"more satisfactory than expected "中"expected "作什么语,和than之前的内容并列

"more satisfactory than expected "中"expected "作什么语,和than之前的内容并列
than (主语+ is/ was) expected 是个比较状语从句,主语和be 动词省略了,意为：“比预期的”
这里意为：比预期的更让人满意
再如：
He arrived two days earlier than (he had been ) expected
他比预期的早来了两天