But he says being in a wheelchair is still often a problem in his neighborhood in the Bronx area of the city.

VOA: special.2010.07.28

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

JONES-BROWN: I think part of it is in the investment in the stereotype, that if the commissioner actually believes that the crime problem in the city and the mayor believes that the crime problem in the city are black and Latino folks, then they can't move off of that belief.

NPR: The Difficulties Of Proving Racial Profiling

Balotelli came off soon after having seemed to pick up a slight hamstring problem but City's scoring for the night was not over.

BBC: Man City 3-0 Salzburg

The large population of stray dogs has long been a problem in Mexico City, correspondents say.

BBC: Mexican pack of stray dogs 'kills four' in park