Prices may be altered without notice.
價格變動不另行通知。
Prices did not alter significantly during 2004.
2004年期間，價格沒有大的變化。
He had altered so much I scarcely recognized him.
他變得我幾乎認不出來了。
Programs are expensive, and even more so if you have to keep altering them.
買軟件很貴，要是老得更換，那就更貴了。
The landscape has been radically altered, severely damaging wildlife.
地貌徹底改變，嚴重損害了野生動物。