例句：
An A to Z of careers gives helpful information about courses.
一本按字母顺序排列的职业手册，提供了有助于课程选择的信息。
Having the right equipment at hand will be enormously helpful.
有合适的工具在手边将会极为有用。
The booklet should be very helpful to parents of disabled children.
这本小册子对于残疾儿童的'父母会很有用。
Helpfully on cue, piracy now seems less of a threat.
而且现在看来，盗版似乎不再构成太大威胁，这来的正是时候。
Some creditors, though, are helpfully letting people stretch this out over months.
不过一些债权人允许欠款人延期数月还清。
So usually the old person tries helpfully to answer the question by offering advice.
所以老人们常常是根据别人的建议尝试去回答这些问题并使回答更有帮助。