他们不修改计划是一个错误。

It was a mistake that they didn't modify their plan.

情况所迫,只得修改计划.

Through force of circumstances the plan has to be changed.

步骤三：修改计划。

Step 3: Revise the plan.

修改计划是明智的。

It's advisable to revise the plan.

不要只有一个计划，要有一千个计划，并在必要的时候修改计划。

Instead of having one plan, have one thousand plans, and revise them as necessary.

由于这些变化，我们必须修改计划。

In the light of these changes we must revise our plan.

他得修改计划。

He had to mo plan.

必须选择计划类型以创建或修改计划。

You must select a schedule type to create or modify a schedule.

必须选择内容区域以创建或修改计划。

Create a publication or modify one that already exists.

必须选择更新类型以创建或修改计划。

You must select an update type to create or modify a schedule.