Mother set off with some of the children to look for Bill, but they could find no sign of him.

VOA: special.2009.11.28

But it's really a chance, especially for those less comfortable, to be set off on a very specific path.

这的确是一个机会，特别对于那些不怎么舒适的，这是通过,特殊途径开始的好机会。

哈佛公开课 - 计算机科学课程节选

In nineteen ninety-nine, climbers set off to search for the remains of Mallory and Irvine.

VOA: special.2010.06.30

By 2012,they hope to set up a network of pick-up and drop-off locations for rented bicycles throughout New York City.

VOA: standard.2010.01.31

Hamid Karzai was declared the winner on Monday, roughly 24 hours after his opponent, Abdullah Abdullah, pulled out of the run-off election set for November 7.

VOA: standard.2009.11.02

BP's losses for the past quarter amount to some $17 billion, due to having to set aside more than $32 billion for costs linked to the oil spill off the U.S.coast in the Gulf of Mexico.

VOA: standard.2010.07.27