problems //

serves as a solution to marketing problems.

作为解决营销问题的方案。

There are fundamental public health problems, like dirty hands instead of a soap habit, that remain killers only because we can’t figure out how to change people’s habits,” said dr. Curtis, the director of the Hygiene Center at the London School of Hygiene & Tropical Medicine.

伦敦卫生与热带医学院卫生中心的主任 Curtis 博士说："存在一些根本性的公共卫生问题，比如不养成用肥皂洗手的习惯而只是脏手，这些问题仍然是杀手，仅仅因为我们无法找到改变人们习惯的方法。"

its nature and problems

它的性质和问题

its problems and their solutions

其问题及解决方案

As well as those chronic problems, the EU faces an acute crisis in its economic core, the 16 countries that use the single currency.

除了这些长期存在的问题，欧盟还面临着其经济核心地区——使用单一货币的16个国家——的严重危机。