1.Only now, the competition for websites that encourage uses to volunteer information about themselves is that much stiffer.
只是现在，鼓励用户主动提供自身信息的网站之间的竞争要激烈很多。
2.Your roommate, who is always well prepared for class, never raises his hand to answer questions or volunteer information.
你的室友，总是做了精心准备，却从未举过手回答问题或义务信息。
3.NOAA noted that anyone wanting to report oil on land, or for general Community and Volunteer Information, please call 1-866-448-5816.
美国国家海洋和大气管理局提醒，任何人若想报告石油对陆地的污染情况或获得社区和志愿信息，请拨打1-866-448-5816。