They are making their way up a system built years ago to link the Mississippi to Lake Michigan.

VOA: special.2009.12.15

There will be an option when you pull up the tab for this particular course if you go to the course website and that will link you right to the course website.

当你们点击课程标签时,有个登陆这门课网站的选项,那个链接可以转到课程网页

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"If you get a doctor who is away in the village and has come across a case he or she thinks is beyond him or her, why cannot that doctor be able to link up easily with a senior doctor in Korle Bu to get advice on it?

VOA: special.2009.06.17