of a product provides a powerful xxpetitive advantage over other products. 一个独特的产品设计具有比其他产品更强有力的竞争优势。 6. For example signs in grocery stores point them to the stationary, even though the actual stationery - pads, albums and notebooks - are not items nailed down. (para. 6) Meaning: For example , signs of merchandise in grocery stores lead students to the ―stationary‖ department selling stationery like pads =, albums and notebooks. However, these displayed stationery items are movable but not nailed down. Meaning beyond words: Taking the wrong spelled signs in grocery stores as an example, the author argues that it is not students’ fault. The verb phrase nail down is cleverly used to describe the funny situation: movable ―stationery‖ items are under the sign of unmovable stationary distinct spelling mistake between the two words. Here you are surrounded by great resource: interesting students from all over the country, a learned and caring faculty, a xxprehensive library, great sports facilities, and student organizations covering every possible interest from the arts to science, to xxmunity service and so on. (para4) 7.
Therefore, it doesn’t make any sense to criticize our students (para. 6) Meaning: So, there's no good reason to criticize our students. Which is unfair to them. 8. Moreover, the younger teachers themselves evidently have little knowledge of these vital structures of language because they also went without exposure to them. (para. 7) Meaning: In addition, the young teachers obviously know little about these important structures of language since they also didn’t have the chance to deal with them in their prior learning experiences. moreover: ad. (fml.) in addition-used to introduce information that adds to or supports what has previously been said 而且；再者；此外 Moreover, they bexxe more concerned about their health as they grow older. 此外，随着年龄的增长，他们更加关注自己的健康。