Each language had a social rank, said Arief Rachman, an education expert.
教育专家阿里夫·拉赫曼（Arif Rahman）说，每种语言都有其社会地位。
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。
Then she said, "You don 'have to call an expert."
这时她说，“你们不必找专家了。”
"Sometimes black dogs are seen as scarier by people," said an expert.
一位专家表示，有时候人们会认为黑狗更加可怕。
Michael is said to be an expert in computer science.
据说迈克是位计算机专家。
As I have said, I am no expert with computers, just an end user.
我说过，我并不是电脑方面的专家，只是个终端用户而已。
As I have said, I am no expert with computers, just an end user.
我说过，我并不是电脑方面的专家，只是个终端用户而已。
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