您要查找的是不是：
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- It is a leap in the process of cognition. 这是认识过程的一次飞跃。
- It is a matter of life and death for them. 这事对他们来说是生死攸关。
- It is a case of the student outstripping the teacher. 这是一个学生超过老师的例子。
- It is a complexity of higher mathematics. 这是一道高等数学的难题。
- It is a posterior view of the skull. 这是颅骨背视图。
- It is a matter of prime importance. 此事至为重要。
- It is said that he is a master of intrigue. 据说他是搞阴谋诡计的老手。
- It is a nice song and I think it will catch on quickly. 这首歌很好，我想它会很快流行起来。
- It is a systematic attempt to strengthen our competitive ability. 那是为增强我们的竞争能力而作的有计划的努力。
- It is a good idea for children to learn to read by way of pictures. 小孩通过图画识字很好。
- It is a classic example of how not to design a new city centre. 这对设计新市中心是个最佳的反面教材。
- It is a barbarous way to extend territory by arms. 以武力扩张领土是一种野蛮的方式。
- It is a fact that I have written this sentence. 我写了这个句子是事实。
- It is a fact that must be faced up to. 这是必须正视的事实。
- It is a difference of opinion that makes horse race. 赛马之所以(能够)成立，是由于有不同的看法(意见)。
- It is a pity that you missed the party. 你未能参加聚会，真是遗憾。
- It is a great relief to have rain after a long time of drought. 长期的乾旱之后有雨是一大慰藉。
- It is a waste of time to listen to his insignificant talk. 听他那些废话纯属浪费时间。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
