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。

　　Contact with other disabled yachtsmen of like mind would be helpful.

　　聯系一下其他具有同樣想法的殘疾帆船賽手是會有幫助的。

　　The dietitian was helpful, making suggestions as to how I could improve my diet.

　　這位飲食學家很有幫助，就我如何能改善膳食提出了建議。