另一个威胁是经济方面的，我认为所有的经济问题,都和一个核心的问题分不开,就是我们国家面临的,长期财政挑战。
The other threat is eonomic, and all the economic issues are tied in my judgement, to the same core problem which is the long-term fiscal challenge that this country faces.
2012年拱心石艾滋病毒疫苗的专题讨论会会议将侧重于基本的免疫学和HIV - 1病毒学方面的突出问题，挑战该领域。
The 2012 Keystone Symposia meeting on HIV Vaccines will focus on basic aspects of immunology and HIV-1 virology to highlight issues that challenge the field.
2012年拱心石艾滋病毒疫苗的专题讨论会会议将侧重于基本的免疫学和HIV - 1病毒学方面的突出问题，挑战该领域。
The 2012 Keystone Symposia meeting on HIV Vaccines will focus on basic aspects of immunology and HIV-1 virology to highlight issues that challenge the field.
应用推荐