She tried to be more positive about her new job.

　　她力求對(duì)新工作更有信心。

　　It will require positive action by all in the industry.

　　這將需要業(yè)內(nèi)全體同人和衷共濟(jì)。

　　Some of the studies show positive results, whereas others do not.

　　有一些研究結(jié)果令人滿(mǎn)意，然而其他的則不然。

　　She was positive that he'd been there.

　　她確信他曾在場(chǎng)。

　　He made a very positive contribution to the success of the project.

　　他對(duì)項(xiàng)目的成功貢獻(xiàn)良多。