老喬整理了「兩年一次」的常見用法，並附上範例句、常見錯誤給各位參考
30種英文表達「兩年一次」的用法
- biennial (形容詞)
- biennially (副詞)
- every two years
- every other year
- once every two years
- once in two years
- every second year
- at two-year intervals
- with a two-year interval
- on a biennial basis
- recurring every two years
- held every two years
- conducted biennially
- scheduled biennially
- occurring every two years
- taking place biennially
- every 24 months
- biennial occurrence
- once each two years
- at intervals of two years
- each and every two years
- every two-year period
- every two-year span
- in two-year cycles
- biennial in nature
- happens every two years
- organized biennially
- every two years on the calendar
- once per two years
- on a two-year rotation
常用的「兩年一次」的例句與使用情境
biennial (最正式的用法)
常見在正式場合
例：The Venice Biennial is one of the most prestigious art exhibitions in the world.
biennially (正式的副詞形式)
常見在正式場合
例：The committee meets biennially to review company policies.
every two years (最常用的口語表達)
常見在日常對話
例：The Olympic Games are held every two years, alternating between Summer and Winter Games.
every other year (常用口語表達)
常見在日常對話
例：Our family reunion takes place every other year in Hawaii.
once every two years (清晰明確的表達)
例：Employees must complete this training course once every two years.
at two-year intervals (較正式的表達)
例：The maintenance checks are scheduled at two-year intervals.
on a biennial basis (商務用語)
常見在商務文件
例：The budget review is conducted on a biennial basis.
held every two years (活動相關用語)
例：The international conference is held every two years in different cities.
recurring every two years (系統性安排用語)
例：The certification needs to be renewed recurring every two years.
every 24 months (技術性表達)
常見在技術文件
例：The equipment requires thorough inspection every 24 months.
表達「兩年一次」時的常見錯誤
常見錯誤「biannual」與「biennial」
雖然有時會看到 "biannual" 被用來表示「兩年一次」，但這是不正確的用法。"biannual" 實際上是指「一年兩次」，應避免使用此詞來表示「兩年一次」。
文字看起來表較複雜，換成比較了話是這種感覺
❌ biannual vs. biennial
biannual = 一年兩次
biennial = 兩年一次
常見錯誤「twice a year」與「every two years」
❌ twice a year vs. every two years
常有人混淆這兩個概念
常見錯誤「bi-yearly」
❌ bi-yearly
這是不標準的用法，容易造成混淆
常見錯誤「every second year」
❌ every second year
可能造成歧義，建議避免使用
常見錯誤「two-yearly
❌ two-yearly
不正確的組合用法
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本篇是個人的研究筆記，不是投資與金融建議。
知識的累積與運用，是致富的不二法門，期待在路上與各位相見。
文章更新日誌
2025.03.20 文章發佈
