For example, you start your first job in a big office, and you do not really know how to work with a large group of people in a professional setting.

例如，你在一个大的办公室开始你第一份的工作，你并不知道怎样在这个专业的领域内同一大帮人工作。

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However, one computer security expert said that even an attack of this size did not necessarily have to be the work of a large or powerful group.

不过，一名计算机安全专家称，即使是这样大规模的攻击也不一定来自大型或有势力的组织。

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I work for a large multinational company called DAK Group.

我在为一个叫DAK集团的大型跨国公司工作。

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I work for a large multinational company called DAK Group.

我在为一个叫DAK集团的大型跨国公司工作。

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