useful的例句

useful 的相关例句:

71.	A useful trade is amine of gold.
	【谚】一技在身犹如金矿在手。
72.	It's more useful to learn modern languages, such as English and German, than Latin.
	学习英语和德语等现代语言比学习拉丁语更为有用。
73.	The book is likely to be useful , only it's rather expensive.
	这本书可能有用，只是相当贵。
74.	His years of study were useful in his job.
	他多年的学习有助于他的工作。
75.	This reference book is very useful to our study.
	这本参考书对我们的研究很有用。
76.	That's a very useful dictionary, but I can't afford to pay that much.
	那是一部很有用的词典,但我付不起那么多的钱.
77.	This tool is not more useful than that one.
	这种工具不比那种更有用。（两件都有用，但这件不如那件有用。）
78.	This dictionary is more useful than that one.
	这部字典比那部有用。
79.	A roof-rack is a useful accessory to a car.
	车顶架是有用的汽车附件。
80.	Aside from being fun and good exercise, swimming is a very useful skill.
	除了是乐趣和有益的锻炼以外，游泳还是一种很有用的技能。