请问这句话什么意思On social networks,anyone and everyone becomes a producer of content, and this ftaken away from什么意思,在句子中做什么成分?central actors susceptible to control又是什么意思,作什么成分?powerful是个

请问这句话什么意思On social networks,anyone and everyone becomes a producer of content, and this ftaken away from什么意思,在句子中做什么成分?central actors susceptible to control又是什么意思,作什么成分?powerful是个 请问这句话更深的意思是什么?（请用英语回答）谢谢U.S.colleges,on the other hand,are so responsive to cultural currents that they are often on the cuting edge of social change. We have social studies and english on firday 什么意思 SOCIAL SCIENCE 什么意思 social security什么意思 social conscience什么意思? social annotation什么意思 social extraction什么意思 请问这句话中文什么意思?no issue on 5th week 请问”Purchased merchandise on account from Wortham Co”这句话什么意思啊. make a presentation on how you feel about the social varieties请问这句话是什么意思呢? 应该从哪方面来回答呢? 谢谢 social jet lag什么意思 英语：social call 什么意思 twitter social networking什么意思 social networking websites什么意思 Social occasions这里什么意思? Social occasions这里什么意思? social get-together什么意思