A statement on the website of the president's office says the army will undertake a humanitarian exercise to free non-combatants.

VOA: standard.2009.04.06

In the case of last year we did hand students some code with which they could write programs that talked to Yahoo Finance, finance.yahoo.com, free website.

在去年的情况下，我们给学生提供一些,能用来写程序跟雅虎财经的免费网站交互的代码,即finance。yahoo。com，一个免费的网站。

哈佛公开课 - 计算机科学课程节选

This particular website has this free nutrient analysis On the website people may choose to get involved in and there may be charges for those things, I don't really know, but there may be and then they may ask you for identifying information, but it's your option to do that.

网站的营养分析服务,在该网站,人们可以选择使用其他服务,当然,那些可能是收费的,我不是很确定,可能有收费服务,并要求验证个人信息,但这由你自己选择

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选