我想分别谈三个截然不同但又彼此相关的问题——削弱经济增长的资产负债表压力、全球经济体系核心的不稳定性，以及社会紧张关系。

I would isolate three distinct, albeit related, issues-balance sheet pressures sapping growth, instability in the core of the global economic system, and social tensions.

youdao

经济体系一系列相关的经济生产及消费活动。

Economy a set of interrelated economic production and consumption activities.

youdao

From Barak Obama.com, a moral imperative by any measure, by any measure, mark that, Dr. Sowell, a better health care system is also essential to rebuilding our economy.

援引，Barak，Obama。com网站的话，道德上,不管怎样，不管怎样，索尔博士，听听他说的，一个更好的医疗体系,对于重建经济很重要。

斯坦福公开课 - 经济学课程节选