Looking back now, nine years later, I can't remember exactly what it was about these universities that made them seem so much better. Was it a curriculum that appeared more rigorous, perhaps? 一门看上去更严格的课程
Problems surround the use of machines to spot deception, at least until it has been rigorously tested. 严格测试
They are conducted in a more rigorous manner. 更为严格的方式
That statement comes not, as you might imagine, from a stereotypical tree-hugging, save-the-world greenie (环保主义者), but from Gordon Brown, a politician with a reputation for rigour, thoroughness and above all, caution. 那个以严谨、缜密，尤其是以谨慎著称的政治家