advise与suggestion都是名词，两者的最大区别在advise是不可数名词，表示“一条建议”用a piece of advise,而suggestion则是可数名词，表示“一条建议”用a suggestion。
相关介绍：
I'm not in the best position to advise you.
我并不十分适合给你提建议。
Dentists advise you to have your teeth checked every six months.
牙医建议大家每六个月检查一次牙齿。
You would be well advised to tackle this problem urgently.
你还是抓紧处理这个问题为好。
We employ an expert to advise on new technology.
我们聘用了一位专家担任新技术顾问。
Please advise us of any change of address.
如地址有变，敬请告知。
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