alteration
US /ˌɑːl.t̬əˈreɪ.ʃən/
UK /ˌɑːl.t̬əˈreɪ.ʃən/

1.
改变, 修改
the action or process of altering or being altered
:
•
The tailor made an alteration to the dress.
裁缝对裙子做了修改。
•
Any alteration to the original plan must be approved.
对原计划的任何修改都必须得到批准。