今天我们要学的词是proactive. Proactive意思是积极主动的。Facebook 脸谱网站推出最新Timeline时间表功能。有些用户担心隐私受到侵犯，社交网络专家建议说，"It's best to be proactive and make sure what people will see is what you want them to see," 用户最好采取主动，保证外人看到的是你想让他们看到的。Facebook在防止青少年自杀方面也采取了新举措。"Facebook is taking a proactive approach to people who post suicidal statuses, offering to connect them with a crisis counselor through its private chat system," 脸谱网站对那些在个人状态中表现出自杀念头的人采取主动，通过私人聊天系统帮他们跟危机咨询顾问联络。好的，今天我们学习的词是proactive...