But experts believe the electrical current might help activate nerve cells that are not working correctly.

VOA: special.2009.02.03

And "." signifies my current working directory, the folder that I am currently in.

，“表示的是我当前的工作目录，那个我当前所在的文件中。

哈佛公开课 - 计算机科学课程节选

Marchers from all walks of life were united in their belief that the current global economic system was simply not working and change was urgently needed.

VOA: standard.2009.03.28

It was a different era. But General Myers spent many hours in the White House Situation Room, working with Bush administration officials on strategy for the two conflicts, just as current top officers are working with President Barack Obama and his team now on how to move forward in Afghanistan.

VOA: standard.2009.10.16