She says people must keep up their guard against the virus, which is unpredictable and could change into a far more dangerous form.

VOA: standard.2009.12.29

And he has a theory about early life and perfectly appropriate as far as one can tell of what pre-human form he studied.

他有一个有关早期生命的理论,一般人都会觉得很正常,他研究人类之前的生命形式没有什么不合适。

普林斯顿公开课 - 人性课程节选

So with that said, perhaps just to add to that, the fourth passage: "Beauty is the form of the purposiveness of an object so far as it is perceived in it without any representation of a purpose."

所以据上所述，啊，再加一点，现在看，第四篇文章：，“美是事物存在的目的,尽管这种合目的性并不是显而易见的，你可能要问了“

耶鲁公开课 - 文学理论导论课程节选

He says the tuberculosis epidemic is far from over and is being aggravated by multi-drug resistant TB and its even more dangerous form, extensively drug-resistant TB.

VOA: standard.2009.12.09

"Labor can't form a majority government - they're too far behind.

VOA: standard.2010.04.23

"There was,after 2001, a change of approach, a form of mission creep, whereby we took on far more priorities than simply security and removing al-Qaeda and the Taliban as their host,".

VOA: standard.2009.08.02