1.He says the aim of the research is not to lengthen life as much as to improve it.
as much as 差不多;尽…那样多
The output is twice as much as that of ten years ago.
产量是10年前的两倍 。
The doctor will see you again next week. Meanwhile, you must rest as much as possible.
医生下周还会给你看病 。在此期间,你一定要尽可能多休息 。