我们需要准确指出答案在技术文档中的出处，所以如果任何人怀疑考试的有效性，可以提供证明它有效的证据。

We need to source exactly where in the technical documentation the answer appears, so that if anyone challenges the validity of the exam, its validity will stand up in court.

youdao

这些属性非常有用，可以用来发现文档的出处，例如集合(src： col)和键(src： key)。

These are very helpful and can be used to discover the origin of the document, such as the collection (SRC: col) and key (SRC: key).

youdao