声乐艺术与歌唱艺术是否是一码事，长期以来被专业和非专业人士所忽视。
It has been ignored by professionals and non-professionals for centuries whether vocality and singing are the same.
该按压仪体积小、重量轻、造价低、简便易用、操作性强，适合于各种专业和非专业人员使用。
The pressing instrument has the advantages of small size, light weight, low cost, easy use and strong operability. The utility model is suitable for various professionals and laymen to use.
在一些地区，需要组成一支由专业人员和非专业人员结合的救援队伍来救助幸存者。
In some regions there is a need to develop a combination of professional and paraprofessional response teams to assist survivors.
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