as occasion requires

• 在必要时

as occasion requires的用法和样例：

例句

1. The PMIS is also used to create new forecasts as needed.
   项目管理信息系统还在必要时用于做出新的预测。
2. This flexibility allows applications to maximize the use of total system resources as needed instead of being confined by physical boundaries.
   这种灵活性使应用程序在必要时可以最大限度地利用整个系统的资源，而不是由物理界限限定死。