Dangerous mountain paths. And they all risk developing a serious health disorder caused by lack of oxygen.

VOA: special.2010.06.30

Others point to all the problems: the anachronisms, the general lack of specificity as a sign that these are composed quite late.

其他人则提出了各种问题：,时代特色，表述不够具体,由此推断这些创作得比较晚。

耶鲁公开课 - 旧约导论课程节选

And there's all sorts of independent evidence that babies lack this control.

很多独立证据表明婴儿是缺乏控制力的

耶鲁公开课 - 心理学导论课程节选

That means their households, at some time during the year, had difficulty providing enough food for all members because of a lack of resources.

VOA: special.2009.11.23

"There is a lack of water in all the region, especially in Jordan and for the Palestinians."

VOA: standard.2009.08.01

"All we have been able to do in this area is to rehabilitate shallow wells because of access limitation and lack of funding,".

VOA: standard.2009.10.06

LaGanga says combating these drugs is all the more difficult because some countries lack tough laws.

VOA: standard.2010.06.07