例句：
An A to Z of careers gives helpful information about courses.
一本按字母順序排列的職業(yè)手冊，提供了有助于課程選擇的信息。
Having the right equipment at hand will be enormously helpful.
有合適的工具在手邊將會極為有用。
The booklet should be very helpful to parents of disabled children.
這本小冊子對于殘疾兒童的父母會很有用。
Helpfully on cue, piracy now seems less of a threat.
而且現(xiàn)在看來，盜版似乎不再構(gòu)成太大威脅，這來的正是時候。
Some creditors, though, are helpfully letting people stretch this out over months.
不過一些債權(quán)人允許欠款人延期數(shù)月還清。
So usually the old person tries helpfully to answer the question by offering advice.
所以老人們常常是根據(jù)別人的建議嘗試去回答這些問題并使回答更有幫助。