为了找到这些问题的答案，该科研组整理了自皮埃尔奥杰宇宙线观测站三年前工作时收集的到的所有资料。

To find answers to these questions, the team trawled through the data that have accumulated since the Pierre Auger observatory began operating three years ago.

youdao

而问题就在这里：如果不是以一种慎重且透明的方式收集用户信息并建立资料档案，那么它可能就会变为发人阴私的可怕手段。

And therein lies the problem: gathering information and building up profiles, if not done in a sensitive and transparent manner, can look an awful lot like snooping.

youdao

要回答这些问题，你必须要自己全心投入基本资料收集的整个过程。

To answer these questions, you need to engage yourself in the process of primary data collection.

youdao