单词helpful
adj.: 有用的；有益的；有帮助的；愿意帮忙的
网络: 乐于助人的；给予帮助的
有用的；有益的；有帮助的:
able to improve a particular situation
愿意帮忙的:
willing to help sb
殷勤地;手脚勤快
富有启发性的
有帮助的,有益的,有用的
adj.+n.:
helpful suggestion
adj.usefulbeneficialadvantageouseffectivevaluable
adj.uselessunhelpful
For advanced XML users, XQuery can be very helpful in querying and extracting content out of large XML documents.
对于高级XML用户，XQuery在查询和从大型XML文档抽取内容时非常有帮助。
It would be very helpful if you could give an actual sample of your products.
要是你能给我一份实物样品的话，会很有帮助
Nicolas Sarkozy, France"s ever-helpful president, had to call a few places personally and ask them to open.
法国总统尼古拉斯·萨科奇，不得不亲自给几家商店打电话，让他们开门营业。
Knowing that he is coping with stress in his own way is extremely helpful but does not always help her alleviate the pain.
虽然了解那是男人处理压力的方式对她很有帮助，但却无法帮助她减轻痛苦。
And Maurice tried so hard to be helpful that he made all his friends glad because the happy "New Year" had come.
老乔和贝斯也收到了他们的礼物，莫里斯尽力帮助别人，他所有的朋友都感到高兴，因为快乐的“新年”已经到来。
that"d be very helpful. An extra weekend is all they really need. Thanks.
那可忙了大忙了！他们确实需要再多一个周末的时间.谢谢。
Encourage others to do one unanticipated kind or helpful act at least once a week.
至少一周一次鼓励别人去做从未意料到的类型的举动。
The front desk staff were all very friendly and helpful and their attitude was a real plus.
前台工作人员都非常热情友好和乐于助人，他们的态度确实不错。
Because knowing the future is always helpful it is no surprise that people have been trying to make forecasts since a long long time ago.
由于预知未来总是有利无弊，所以人们很久很久以前就开始这方面的尝试。
She had gone out of his way to be helpful when his family arrived here.
请问这句英语应该怎样翻译当他的家人到这儿的时候，他难得帮助他们。