这个well怎么解释?This book would not be what it is(and may well not have been at all)without your graceful management.请不要从网上随便copy个解释!well这里用的是倒装吗?

well1
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ad.
1. 很好地;满意地;成功地
Do the boys eat well at school?
孩子们在学校吃得好吗?
2. 充分地,彻底地
Think well before you act.
请三思而后行。
3. 相当地,颇,很
Her son is well past forty.
她儿子已四十好几岁了。
4. 适当地,妥善地,恰巧地
5. 有理由地,理所当然地
We couldn't very well refuse her request.
我们没什么理由拒绝她的请求。
6. 友善地,好意地
7. 规矩地,有风度地,得体地
The young man carried himself well at the party.
那小伙子在聚会上举止得体。
int.
1. (表示惊异、怀疑)哟,啊,哎呀
Well, I didn't think to see you here!
哎呀,没想到会在这儿见到你!
2. (表示同意、让步等)嗯,好吧
Well, perhaps that's true.
嗯,也许那是真的。
3. (表示规劝、责备等)嗳,好啦
Well, you shouldn't get angry about such a trifle.
嗳,你不应该为这么一点小事生气。
4. (用以继续原来的话题或引入新的话题)这个;喔;唔
a.
1. 健康的,健全的,安好的
I'm not well, my head aches.
我不舒服,头痛。
2. 好的,令人满意的[F]
I knew that all was well with her.
我知道她一切顺心如意。
3. 恰当的,合适的,可取的
well2
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n.[C]
1. 井,水井;油井;气井
2. 来源,源泉
An encyclopedia is a well of knowledge.
百科全书是知识的源泉。
3. 【建】楼梯井;采光井;通风井
vi.
1. 涌出,涌上
Water wells from a spring beneath the rock.
水从岩石下的泉内涌出。

well在这里调整语气作用,在说话过程中加进well给说话者进行思考下一步如何说的时间.well如果是作副词用,是可能存在倒装情况的,但是这里并不是副词用法.