1.valid 有效的,有法律效力的; 正當的; 健全的
For foreign holidays you will need a valid passport.
出國度假需持有效護照。
2.go through (法律、合同等正式)通過; 用完; 檢查; 完成
South Africa was going through a period of irreversible change.
南非正在經歷一場不可逆轉的變革。
3.a matter of 大約;問題;左右;一件
Jack had attended these meetings as a matter of routine for years.
數年來,杰克把參加這些會議當成是例行公事。
4.save from 挽救;保全;搶救;使免遭
Psychometric tests can save organizations from grim and costly mistakes.
心理測試能夠使組織機構避免犯下損失慘重的大錯。