One scripture does not a doctrine make. Obviously, the flesh WAS the sacrifice. Are you that blind that you cannot see? What part of "Who his own self bare our sins in his own body on the tree" is unclear to you?
And almost all things are by the law purged with blood; and without shedding of blood is no remission. (Heb 9:22)
Do you want to explain to all of us here how a Spirit can shed blood?
Denial of the literal Physical Atonement. A denial of orthodox Christian belief of centuries, clearly and forcefully shown in scripture. This is the legacy of Witness Lee and his cult. You are dangerously close to heresy, if you haven't already crossed that line.
Here's a couple that stand pretty well on their own. Take your pick.
John 3:15 That whosoever believeth in him should not perish, but have eternal life.
John 3:16 For God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life.
If the banker bears our debt in his wallet, is the lienholder anxious to receive the cash from within the wallet or is it the wallet without the cash itself that the lienholder forgives the debt? There are passages regarding the indwelling, the spirit, and things eternal which are more pertinent. There is also significance in the blood in sealing the New Covenant but more closely associated with the Eucharist.