The lack of snow will not be a problem for events being held at the ski area in the city of Whistler.

VOA: special.2010.02.10

So the problem here, roughly, is given, a number of cities, and say the cost of traveling from city to city by airplane, what's the least cost round trip that you can find?

基本上就是一个这样的问题,你被告知了一些城市,以及在城市之间坐飞机旅行的花费,那一条是你们能找到最短往返路径？

麻省理工公开课 - 计算机科学及编程导论课程节选

However, after a while,he comes to be too satisfied, too comfortable with his own brilliance and when another threat comes to the city,he is confident that he can solve the problem again for his people.

但是此后,他过于满足于,他自己的智谋,以至于他坚信能为他的人民,化解新的威胁

耶鲁公开课 - 古希腊历史简介课程节选

But City Councilor Mara Rumiz says authorities are aware they cannot ignore the problem of the shrinking population any longer.

VOA: standard.2009.11.14

Another problem is access. Connecting informal communities to the city's water pipeline is a challenge because many are living on the land illegally.

VOA: standard.2010.08.04