我们要学会从庞大的信息网络中筛选有用的信息，最后，我们必须知道如何评估

我们要学会从庞大的信息网络中筛选有用的信息，最后，我们必须知道如何评估信息，以
保证所获得的信息是可靠的。

結果 (英文) 1:

We have to learn to filter useful information from the vast network of information and, finally, we must know how to evaluate information forEnsure that the information is reliable.

結果 (英文) 3:

We need to learn to filter the useful information from the huge information network, and finally, we must know how to evaluate the information, to ensure that the information obtained is reliable.