形容词有用的；有益的；有帮助的；愿意帮忙的网络乐于助人的；给予帮助的
形容词
1. He has given me a helpful suggestion.
他给我提了一项有益的建议。
2. It's always helpful to be well informed.
消息灵通总是有益的。
3. helpful
3. The helpful boy carried my bags for me.
这个挺顶用的男孩帮我搬运提包。
4. helpful的意思
4. She has been very helpful to us.
她对我们很有帮助。