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。