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 direct equivalent for 'alternative plan' or 'counterproposal'. Common in business and formal contexts.
Please have an alternative plan ready.
Literally 'another plan'. More casual and flexible than 代案.
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.
This alternative plan is too expensive.
Borrowed from English 'Plan B'. Used in casual conversation, often with a sense of a backup plan.
You should have a Plan B ready.
A different way to achieve the same goal, not necessarily a backup.
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'.
Please submit an alternative plan.
We are considering an alternative plan.
Let's make another plan.
We need to consider alternative plans.