If an object method needs to report an error, then a return code should be used.

假如一个对象的方法需要报告一个错误，这时一个返回码需要用到。

youdao

If your queries execute without error but return no data, double-check the path expressions and namespace declarations in your query.

如果查询能够执行，但是没有返回数据，那么请仔细检查查询中的路径表达式和名称空间声明。

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The resource kernel can then merge the requests to define a schedule to provide guaranteed access using the task-defined constraints (or return an error if they cannot be guaranteed).

然后资源内核可以合并这些请求，使用任务定义的约束定义一个调度，从而提供确定的访问（如果无法提供确定性则返回错误）。

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If you discover an error after you file your tax return, you can correct it by amending your return.

FORBES: Batman Faces Dark Night With IRS If He Takes H&R Block's Tax Advice

Callaway argued that the KPMG approach was needed only if it had committed an error in setting up the fund--and that a change in return estimates wasn't an error.

FORBES: In the Rough