您要查找的是不是：
- This is a valid argument but it is very much a matter of degree. 这个论据是成立的,但这是程度问题。
- This is a valid objective and should not be denounced. 这是一个有效的目标，不应该被泄漏出去。
- I am well aware that this is a tough job. 我深知这是一件棘手的工作。
- English: This is not a valid Date/Time. 不是有效的日期/时间。
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- This is a valid option when using dynamic textures, dynamic vertex buffers, and dynamic index buffers. 当使用动态纹理、动态顶点缓冲区和动态索引缓冲区时,此选项为有效选项。
- This is a good idea, I will abide your prescribe. 这是个好主意，我会遵守你的规定。
- This is a sort of indeterminate color. 这是一种说不清的颜色。
- 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 crisis now. What will be her next move? 现在这是一个转折点。她下一步的举措会是什么?
- This is not a valid bitmap file, or there is not enough memory. 此文件不是有效的位图文件，或者内存不足。
- This is a kind of lavender-water. 这是一种熏衣草香水。
- This is a kind of metallic paint. 这是一种有金属光泽的涂料。
- This is a large passenger airliner. 这是一架大型客机。
