One person attending that evening described how the perfection of all things in the museum seemed to have an unusual effect on the guests.

VOA: special.2009.01.11

The problem is you've got to make hundreds of millions of doses sometimes in order to have an effect on progress of the disease.

问题是有时候你不得不去制造几亿支疫苗,以便在疾病进展时发挥作用

耶鲁公开课 - 生物医学工程探索课程节选

Another finding is that people who are married or work together do not have as much of an effect on happiness as friends do.

VOA: special.2009.01.21

But it did have an effect on efforts to rebuild the South following the war.

VOA: special.2010.02.04

News that the president's life was in danger could have an effect on the debate.

VOA: special.2010.06.24

Already,rising temperatures have had an effect on migratory birds.

VOA: special.2009.05.12