an act that changes the form or character or substance of something
the Roman Catholic doctrine that the whole substance of the bread and the wine changes into the substance of the body and blood of Christ when consecrated in the Eucharist
but for those with little sentimental attachment to books as objects, and even less disposable shelf space, the offer of transubstantiation might well be seen as a blessing.
但对那些对书缺乏情感,把书当做物品,而且几乎没有自由空间可供支配的人,变体就变体,反而是一件好事。
these three transformations have been really difficult, but the transubstantiation of a commodity is even more difficult. thus its difficulty is evidently shown.