This object is already deleted. It is not valid.

此对象已被删除。它是无效对象。

youdao

If it is not valid, the tool prevents you from completing the operation.

如它是无效的，那么工具就可以防止您完成操作了。

youdao

The index is recreated if it is not valid to use using the specified approach.

如果按照指定的方法不能合法地使用索引，则重新创建索引。

youdao

It's not a valid experiment if it has no chance of showing that my hypothesis is flawed.

如果根本没可能证明我的假设,是有瑕疵的，那么这个试验。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you receive a seemingly inexplicable 1099, do not ignore it, but also do not assume that it is valid taxable income for the year of issue.

FORBES: 1099s From Insurance Companies - Don't Ignore But Don't Take At Face Value Either

If your loved one knows about it, the test is not valid.

WSJ: Dan Ariely: How to Prepare for a Job Interview | Ask Ariely

She started taking vitamins and learned that not being good at something is not a valid reason for not doing it (A.K.A., she learned to roller blade).

FORBES: Anna David On Sex And The Single Girl: 2012