For solar companies in sub-saharan africa , among the most vexing problems is distribution .

对于在撒哈拉以南非洲地区经营的太阳能公司，最烦人的问题是分销。

Two fast-growing technologies , data analyticsandmobile devices , could help solve vexing problems ranging from sepsis to cancer diagnosis .

数据分析和移动设备这两项高速发展的科技能够帮助诊断包括败血症和癌症在内的多种困扰人么的疾病。

How to expand the efsf again is at the heart of the troubles vexing european leaders .

如何实现EFSF再次扩容是最让欧洲领导人头疼的事情。

That of course goes to the heart of the dispute currently vexing eurozone leaders .

这当然说出了目前欧元区成员国争论的核心。

As usual the most vexing questions deal with insurance .

和往常一样，最让人烦心的问题就是租车保险。