as needed 按需要
as required 按要求
when necessary 必要时
if needed 如有需要
depending on circumstances 视情况而定
at one's convenience 在方便时
1. We will act as occasion serves.
我们将视情况而行动。
2. He speaks as occasion serves, without a fixed plan.
他根据情况发言，没有固定计划。
3. The rules may be adjusted as occasion serves.
规则可根据情况调整。
4. She helps others as occasion serves during her travels.
她在旅行中会视情况帮助他人。
A: Should we follow a strict plan?
A：我们应该严格按计划执行吗？
B: No, we will decide as occasion serves.
B：不，我们将视情况决定。
1) 根据情况而定的表达
2) 表示灵活应变
3) 用于描述非固定安排
4) 强调根据需要行动
1. 视情况而定；按需要
e.g. We will meet as occasion serves.
我们将视情况见面。
phrase
1. A formal or literary expression meaning to act or decide according to circumstances or necessity.
Synonym: as needed, when appropriate