Overall, this is a very useful book.
总的来说，这是一本很有用的书。
He is going to buy a useful book.
他打算买一本有用的书。
I have a useful book. It is about how to play basketball.
我有一本有用的书。它是关于如何打篮球的。
That isn't a useful book, is it?
那不是一本有用的书，是吗？
This is a useful book, isn't it?
这是一本有用的书，是吗？
那是一本非常有用的书。
这是一本很有用的书。
这是本很有用的书。
这是一本很实用的书。
它是一本非常有用的书。
这是一本非常有用的书。
这是本有用的书。
这是一本有用的书。
那是一本有用的书。
To be sure, that's a very useful book.
确实，那是一本很用的书。
Our dictionary is our most useful book.
字典是我们最有用的书。
This is the least useful book of the four.
这是四本书中最没有用的一本。
That's a useful book. I have read it already.
那是本有用的书，我已经看完了。
This is a useful book for beginners in English.
这是一本对英语初学者有用的书。
You can borrow this useful book from the library.
你可以从图书馆借到这种有用的书。
You can borrow this useful book from the library .
你可以从藏书楼借到这种有效的书。
This is useful book and what is more, it is interesting.
这是一本有用的书，而且很有趣。
It's a useful book, and what's more, not an expansive one.
这是一本有用的书，况且又不贵。
It is a useful book and, what is more, not an expensive one.
这是有用的书，更难得的是不贵。
It is a useful book, and, what is more, not an expensive one.
这是本很有用的书，再说也不贵。
I think dictionary is the most useful book, because it can teach us a lot.
我觉得字典是最有用的书本，因为它能教给我们很多知识。
This is a very useful book of cloud computing, I think all of us must help.
这是一本很有用的云计算书籍，我认为一定对大家有帮助。
This is a very useful book of cloud computing, I think all of us must help.
这是一本很有用的云计算书籍，我认为一定对大家有帮助。
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