After rising steadily for more than a year, the index of leading economic indicators actually slipped by .1 percent in April, according to a private research group.

VOA: standard.2010.05.20

The 1:00 lecture is smaller group.

点的课，人数比较少。

麻省理工公开课 - 固态化学导论课程节选

The United States has brought Last year German industrial group Siemens agreed to pay just over $1.3 billion to settle corruption probes in the United States and Germany.

VOA: standard.2009.10.01