Still,nearly 15 million people are unemployed in the US and concerns about job security have clouded consumer confidence

问题描述:

Still,nearly 15 million people are unemployed in the US and concerns about job security have clouded consumer confidence.这句话结构是怎么样的?为什么concern要加s?

concern [kən'sə:n] vt.涉及,关系到;使关心,挂念n.C关系;U关心,挂念公司,企业在这句中nearly 15 million people are unemployed in the US是一句话,用and连接下面的一句话.在后面那句中 ,concern是作为一...