useful是一个雅思常考词汇，这个词的常用解释为a. 有用的， 实用的； 有益的， 有帮助的，这个词在很多英文原版小说中怎么应用呢，今天小编就带您了解一下。
在儒勒·凡尔纳的《海底两万里》里，有这样的句子出现：
-- Chance rewarded our search for eatable vegetables, and one of the most useful products of the tropical zones furnished us with precious food that we missed on board.
-- "Very likely; but useful to the whole world," said Captain Nemo.
-- I descended the stairs and arrived in the museum, where I had passed so many useful and agreeable hours.
-- They have already depopulated the whole of Baffin's Bay, and are annihilating a class of useful animals.
-- It was a useful reserve to us, for in the shape of salt butter or cheese it would form an agreeable variety from our ordinary food.
在列夫·托尔斯泰的《复活》里，有这样的句子出现：
-- Maria Ivanovna said that the girl ought to be taught to work that she might become a useful servant, was exacting, punished, and even beat her when in bad humor.
-- His aunts, pious old ladies, drove her out when she was no longer as useful as she used to be.
-- "She will be like a stone around your neck, which will drag you down, and prevent your being useful to others.
-- People, whom fate and their sinful mistakes have placed in a given condition, form such views of life generally that they are enabled to consider their condition useful and morally tenable.
-- I know," began the girl, becoming confused, "but I wish but one thing; I wish to be useful to people, and can do nothing because I know nothing."
在赫伯特·乔治·威尔斯的《时间机器》里，有这样的句子出现：
-- And here I had not a little hope of useful discoveries.
在刘易斯·卡罗尔的《爱丽丝漫游镜中世界》里，有这样的句子出现：
-- 'No use to them,' said Alice; 'but it's useful to the people who name them, I suppose.
-- 'Can you answer useful questions?'
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