no clear-cut distinction can be drawn between professionals and amateurs in science:请翻译,尤其说明can be drawn的意思,以及例举说明其用法等,

often no clear-cut choices 什么意思啊 John Mceuen的《Clear Cut》 歌词 no clear-cut distinction can be drawn between professionals and amateurs in science:请翻译,尤其说明can be drawn的意思,以及例举说明其用法等, no rai,no clear中文是什么意思? spss 中的cut和 clear有什么区别? clear President Bush expressed his support for al Maliki in a clear-cut way. oftenb no clear-out choices 什么意思 英语：用clear cut与clear-cut分别造一个漂亮一点的高级一点的哲理一点的句子吧~ clear clear clear 乱砍滥伐的英文,用到log的词组.好像什么clear cut loggion? cut cut CUT cut cut cut