您要查找的是不是：
- This is a complex of new building. 这是新建筑群。
- This is a complex subject matter. 这是个复杂的论题。
- Pasquale Giunta：This is a complex question. 这是一个很复杂的问题。
- Ah this is a complex subject, but one that we will delve into. 啊，这是一个复杂的问题，但也是一个我们将要探究的问题。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- This is a difficult sentence to understand. 这是一个难以理解的句子。
- This is a complex issue and to deal with it simplistically is problematic. 现在武断地拒绝病人接受心肺移植手术是用临床判断来伪装伦理。”
- This is a greedy girlfriend sentence! 这是一个贪婪的女朋友说的话！
- This is a useful speech making sentence pattern. 这是个很有用的演讲句型。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- This is a sort of indeterminate color. 这是一种说不清的颜色。
- This is a complex and difficult journey, from intertwining to sovereignty of thought-form. 从思想形态的盘结到独立，是一个复杂且艰难的旅程。
- This is a coat of her own making. 这是她亲手做的外衣。
- This is a good place for a picnic. 这是一个野餐的好地方。
- This is a question that they have often debated. 这是个他们常讨论的问题。
- This is a task well within your ability. 这完全是你力所能及的工作。
- This is a very popular name for a girl. 这是一个非常普通的女孩名字。
- I certify that this is a true copy. 我证明这是真副本。
- This is a book for young and old (alike). 这本书老少咸宜。
- This is a kind of lavender-water. 这是一种熏衣草香水。
