Translation guide
In Japanese, expressing 'alternative plan' depends on whether you mean a backup option, a different approach, or a substitute. Common patterns include 代案, 別の計画, and 代替案.
A plan B, something to fall back on if the original fails.
A different way to achieve the same goal, not necessarily a backup.
Means 'another method' or 'alternative way'. Suitable for both casual and formal situations.
この問題を解決する別の方法はありますか？
Is there an alternative plan to solve this problem?
One of several possible plans to choose from.
代案 is the most common and neutral term for 'alternative plan' in business. 代替案 is more formal and emphasizes substitution. 別の計画 is casual and simply means 'another plan'.
代案を提出してください。
Please submit an alternative plan.
代替案を検討中です。
We are considering an alternative plan.
別の計画を立てよう。
Let's make another plan.
A direct equivalent for 'alternative plan' or 'counterproposal'. Common in business and formal contexts.
代案を用意しておいてください。
Please have an alternative plan ready.
Literally 'another plan'. More casual and flexible than 代案.
雨が降ったら、別の計画を考えよう。
If it rains, let's think of an alternative plan.
Formal term for 'alternative plan' or 'substitute proposal', often used in business or policy discussions.
この代替案はコストが高すぎます。
This alternative plan is too expensive.
Borrowed from English 'Plan B'. Used in casual conversation, often with a sense of a backup plan.
プランBも考えておいたほうがいいよ。
You should have a Plan B ready.
Formal term for 'alternative means' or 'substitute method', often used in technical or business contexts.
代替手段を検討する必要があります。
We need to consider alternative plans.
Means 'option' or 'choice'. Often used when presenting multiple plans.
いくつかの選択肢を用意しました。
We have prepared several alternative plans.
Literally 'other proposal/plan'. Common in meetings and discussions.
他の案があれば教えてください。
If you have an alternative plan, please let me know.