useful的例句

useful 的相关例句:

31.	Rubber is a useful import.
	橡胶是一种有用的进口货。
32.	The book contains much useful information, imparted with great clearness.
	这本书里有许多阐述得非常清楚的有用资料。
33.	It proved ,on introduction, not to be so useful as expected.
	它被采用后证明不如预期的那样有用.
34.	impart useful knowledge to sb.
	向某人传授有用的知识。
35.	It would serve no useful purpose to change the terminology.
	改变术语也无济于事。
36.	The old bicycle has been very useful to me ; I got it for next to nothing.
	这辆旧自行车对我非常有用，我买来只花了很少的钱。
37.	He wanted it to serve a good and useful purpose.
	他希望这能起有益的作用。
38.	She offered useful cautions.
	她提出有益的告诫。
39.	I offer the information on the chance that it may prove useful .
	我提供这个信息是指望它可能有用。
40.	She has a useful contact in the advertising agency.
	她在广告部门有一个能帮上忙的熟人。