Either of the knives is useful ． 请给出准确的翻译

Either of the knives is useful ． 请给出准确的翻译 这是完形填空的第一句话请告诉我全文的翻译The computer is a useful machine. useful的用法1.The book is useful _______ students of English.2. either of them is not right的翻译 翻译THE TAKENT IS CERTAINLY USEFUL Either of the children is quite capable. 求翻译The eye level of abstraction is useful for us. 英语翻译下面的对吗?不对,请给出正确翻译!Family of the happinessHappy houseHappy 请准确翻译一下the sweetness of doing nothing 英语翻译请给出准确的答案. This is the _______ useful of the four books.(little) computer is one of the most useful( )in the world