If we say something isn't on schedule, then we mean we have to find more time to work on it, or else it won't be finished by the date when it's needed.

如果我们说某事没有按时完成，我们的意思是我们需要更多时间来做完它，否则它不能按它所需要的日期完成。

youdao

If we say something isn't on schedule, then we mean we have to find more time to work on it, or else it won't be finished by the date when it's needed.

如果我们说某事没有按时完成，我们的意思是我们需要更多时间来做完它，否则它不能按它所需要的日期完成。

youdao