alteration

英 [ɔːltə'reɪʃ(ə)n; 'ɒl-] 美[,ɔltə'reʃən]

• n. 修改，改变；变更

1. an event that occurs when something passes from one state or phase to another;

"the change was intended to increase sales"

"this storm is certainly a change for the worse"

"the neighborhood had undergone few modifications since his last visit years ago"

2. the act of making something different (as e.g. the size of a garment)

3. the act of revising or altering (involving reconsideration and modification);

"it would require a drastic revision of his opinion"