Jesse Livezey recently completed his advanced studies in physics at UC Berkeley.

杰西·利维兹最近在加州大学伯克利分校完成了他的高级物理学研究。

But finding concrete evidence of illicit trade can be tricky, says analyst Ellen Tyra with the center for advanced defense studies.

高级国防研究中心的分析员艾伦·泰拉（Ellen Tyra）说，找到非法贸易的具体证据可能很棘手。

C) Lay a solid foundation for advanced math studies.

C）为高等数学研究奠定坚实的基础。

Between mid century and the end of the 1800's, more than nine thousand young Americans, dissatisfied with their training at home, went to Germany for advanced study.

从本世纪中叶到 1800 年代末， 有 9000 多名美国年轻人不满意在国内的训练，前往德国深造。