鉴别和规制反竞争性的合并是一项十分艰巨的工作，它可能要花费大量的调查时间并经历多次的诉讼。
Identifying and challenging anticompetitive mergers is a difficult task that can take thousands of hours of investigative work and often, litigation.
加拿大隐私高级代表负责上述两部法案的监督执行并经授权对投诉进行受理及开展调查。
Oversight of both Acts rests with the Privacy Commissioner of Canada who is also authorized to receive and investigate complaints.
根据问卷调查的数据，并经过和权威试卷（CET4试卷）进行对比，模拟考试在教学中应定位于“诊断考试”。模拟考试试卷还存在信度、效度方面的一些问题。
According to the analysis of the data from a survey and the marks collected from some model test, the author points out we should regard the model test as a kind of diagnostic tests.
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