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ADJ-GRADED
（人）给予帮助的，帮上忙的
If you describe someone as helpful, you mean that they help you in some way, such as doing part of your job for you or by giving you advice or information.
例句
The staff in the London office are helpful but only have limited information...
伦敦办事处的工作人员给予了帮助，但他们掌握的信息有限。
James is a very helpful and cooperative lad...
詹姆斯是个肯帮忙、好合作的小伙子。
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ADJ-GRADED
（信息、建议等）有帮助的，有用的
If you describe information or advice as helpful, you mean that it is useful for you.
例句
The catalog includes helpful information on the different bike models available...
目录中包括了在售的各种型号自行车的有用信息。
The following information may be helpful to readers.
下列信息可能对读者有用。
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ADJ-GRADED
(事物）有助于改善局面的，有好处的
Something that is helpful makes a situation more pleasant or more easy to tolerate.
例句
A predominantly liquid diet for a day or two may be helpful...
一两天里主要吃流质食物可能会有好处。
It is often helpful to have your spouse in the room when major news is expected...
等待重大消息时最好有配偶在场。