useful的例句

useful 的相关例句:

81.	Esperanto is a useful auxiliary.
	世界语是一种有用的辅助语言。
82.	You can often pick up useful tips if you keep your ears open.
	你如果随时留神听，往往可以得到许多有用的情报。
83.	They send information every week ,irrespective of whether it is useful or not.
	他们每个星期都发出情报,不问其是否有用。
84.	Year by year a few of these slang terms prove so useful that they graduate into respectable society.
	年复一年，这些俚语中有一些词语证明是十分有用的，因此逐渐进入了上流社会。
85.	He passed away after an exceptionally busy and useful career.
	在经历了极其紧张而有益的一生之后，他与世长辞了。
86.	He proved a most useful second.
	他的确是个十分得力的副手。
87.	What is good and still useful should be taken over.
	好的有用的东西应当继承。
88.	This is a very useful thing.
	这是个很有用的东西。
89.	Television is very useful for winding down before going to bed.
	看电视对睡觉前松弛一下很有帮助。
90.	a useful source of income for the charity
	用作慈善事业的能解决问题的收入来源