The final step in the process was to take the mathematical information from the book, link it to the current information and solve the resulting problem.

VOA: special.2010.07.14

AIDS is a tremendous problem, deaths from HIV infection and AIDS a tremendous problem in Africa and other parts of the world.

艾滋病是一个巨大的问题,在非洲和世界其他地方,艾滋病毒感染和艾滋病带来的死亡,是一个巨大的问题

耶鲁公开课 - 生物医学工程探索课程节选

That's a big problem and so can you protect these cells that you give to the recipient from attack by the recipient's immune system?

并且至关重要,那么你们想办法保护这些植入受体的细胞,使它们免受免疫系统的排异反应么

耶鲁公开课 - 生物医学工程探索课程节选

Mr. BRUCE MARKS (Head of Neighborhood Assistance Corporation of America): These are the same people that created a problem and profited from the problem.

NPR: Ex-Countrywide Chief Forms Mortgage Buyout Firm

Mr Rowney admitted many companies have been slow off the mark in protecting their assets from the inside and that the problem is largely preventable.

BBC: Malicious insider attacks to rise

Friends have returned from Britain and recounted the problem of drug-taking there.

ECONOMIST: Legalising drugs